3,972,646

2 × 1986323

3,972,646 factors as 2 × 1986323. Its 4 positive divisors give a proper-divisor sum of 1,986,326, so this integer is deficient. The Collatz stopping time is 92 steps.

Prime Factor Structure

Factorization String 2 × 1986323

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 5,958,972

Proper Divisor Sum 1,986,326

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #3972643 ← → #3972649

Radix Representation

Decimal	3972646
Binary	1111001001111000100110 (22 bits)
Octal	0o17117046
Hexadecimal	0x3C9E26

Divisor Catalog (4)

1 2 1,986,323 3,972,646

Collatz Trajectory (92 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

3,972,646 1,986,323 5,958,970 2,979,485 8,938,456 4,469,228 2,234,614 1,117,307 3,351,922 1,675,961 5,027,884 2,513,942 1,256,971 3,770,914 1,885,457 5,656,372 2,828,186 1,414,093 4,242,280 2,121,140 1,060,570 530,285 1,590,856 795,428 397,714 198,857 596,572 298,286 149,143 447,430 223,715 671,146 335,573 1,006,720 503,360 251,680 125,840 62,920 31,460 15,730 7,865 23,596 11,798 5,899 17,698 8,849 26,548 13,274 6,637 19,912 9,956 4,978 2,489 7,468 3,734 1,867 5,602 2,801 8,404 4,202

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