2,409,771

3 × 7² × 13² × 97

2,409,771 has digital root 3. The neighboring primes are 2409769 and 2409791; its proper-divisor sum differs from the starting integer by -730,590.

Prime Factor Structure

Factorization String 3 × 7^2 × 13^2 × 97

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 36

Divisor Sum (σ) 4,088,952

Proper Divisor Sum 1,679,181

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2409769 ← → #2409791

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

2,409,771 7,229,314 3,614,657 10,843,972 5,421,986 2,710,993 8,132,980 4,066,490 2,033,245 6,099,736 3,049,868 1,524,934 762,467 2,287,402 1,143,701 3,431,104 1,715,552 857,776 428,888 214,444 107,222 53,611 160,834 80,417 241,252 120,626 60,313 180,940 90,470 45,235 135,706 67,853 203,560 101,780 50,890 25,445 76,336 38,168 19,084 9,542 4,771 14,314 7,157 21,472 10,736 5,368 2,684 1,342 671 2,014 1,007 3,022 1,511 4,534 2,267 6,802 3,401 10,204 5,102 2,551