57830928 has 40 divisors (see below), whose sum is σ = 151853376. Its totient is φ = 18960000.

The previous prime is 57830921. The next prime is 57830939. The reversal of 57830928 is 82903875.

It is a self number, because there is not a number n which added to its sum of digits gives 57830928.

It is not an unprimeable number, because it can be changed into a prime (57830921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6948 + ... + 12803.

Almost surely, 2^57830928 is an apocalyptic number.

It is an amenable number.

57830928 is an abundant number, since it is smaller than the sum of its proper divisors (94022448).

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

57830928 is a wasteful number, since it uses less digits than its factorization.

57830928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19823 (or 19817 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 57830928 is about 7604.6648841353. The cubic root of 57830928 is about 386.7111733681.

The spelling of 57830928 in words is "fifty-seven million, eight hundred thirty thousand, nine hundred twenty-eight".