331832928 has 192 divisors, whose sum is σ = 1089220608. Its totient is φ = 86261760.

The previous prime is 331832903. The next prime is 331832987. The reversal of 331832928 is 829238133.

It is a super-2 number, since 2×331832928² = 220226184210106368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353676 + ... + 354612.

It is an arithmetic number, because the mean of its divisors is an integer number (5673024).

Almost surely, 2^331832928 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 331832928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544610304).

331832928 is an abundant number, since it is smaller than the sum of its proper divisors (757387680).

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

331832928 is a wasteful number, since it uses less digits than its factorization.

331832928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 997 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 331832928 is about 18216.2819477521. The cubic root of 331832928 is about 692.3193865755.

The spelling of 331832928 in words is "three hundred thirty-one million, eight hundred thirty-two thousand, nine hundred twenty-eight".