3157232 has 40 divisors (see below), whose sum is σ = 6759984. Its totient is φ = 1419264.

The previous prime is 3157229. The next prime is 3157243. The reversal of 3157232 is 2327513.

It is a super-2 number, since 2×3157232² = 19936227803648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3157198 and 3157207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8768 + ... + 9120.

Almost surely, 2^3157232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3157232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3379992).

3157232 is an abundant number, since it is smaller than the sum of its proper divisors (3602752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3157232 is a wasteful number, since it uses less digits than its factorization.

3157232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 411 counting only the distinct ones).

The product of its digits is 1260, while the sum is 23.

The square root of 3157232 is about 1776.8601520660. The cubic root of 3157232 is about 146.7018189388.

The spelling of 3157232 in words is "three million, one hundred fifty-seven thousand, two hundred thirty-two".