34131928 has 16 divisors (see below), whose sum is σ = 64071000. Its totient is φ = 17046336.

The previous prime is 34131907. The next prime is 34131941. The reversal of 34131928 is 82913143.

It is a self number, because there is not a number n which added to its sum of digits gives 34131928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7143 + ... + 10921.

Almost surely, 2^34131928 is an apocalyptic number.

It is an amenable number.

34131928 is a deficient number, since it is larger than the sum of its proper divisors (29939072).

34131928 is a wasteful number, since it uses less digits than its factorization.

34131928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914 (or 4910 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 34131928 is about 5842.2536747389. The cubic root of 34131928 is about 324.3796545355.

The spelling of 34131928 in words is "thirty-four million, one hundred thirty-one thousand, nine hundred twenty-eight".