31928934 has 16 divisors (see below), whose sum is σ = 64445040. Its totient is φ = 10545120.

The previous prime is 31928927. The next prime is 31928951. The reversal of 31928934 is 43982913.

It is a junction number, because it is equal to n+sod(n) for n = 31928892 and 31928901.

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, 23757 + ... + 25064.

It is an arithmetic number, because the mean of its divisors is an integer number (4027815).

Almost surely, 2^31928934 is an apocalyptic number.

31928934 is an abundant number, since it is smaller than the sum of its proper divisors (32516106).

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

31928934 is a wasteful number, since it uses less digits than its factorization.

31928934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48935.

The product of its digits is 46656, while the sum is 39.

The square root of 31928934 is about 5650.5693518441. The cubic root of 31928934 is about 317.2450148593.

The spelling of 31928934 in words is "thirty-one million, nine hundred twenty-eight thousand, nine hundred thirty-four".