538837928 has 32 divisors (see below), whose sum is σ = 1058745600. Its totient is φ = 256605888.

The previous prime is 538837927. The next prime is 538837961. The reversal of 538837928 is 829738835.

It is a self number, because there is not a number n which added to its sum of digits gives 538837928.

It is not an unprimeable number, because it can be changed into a prime (538837927) 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, 37850 + ... + 50102.

It is an arithmetic number, because the mean of its divisors is an integer number (33085800).

Almost surely, 2^538837928 is an apocalyptic number.

It is an amenable number.

538837928 is a deficient number, since it is larger than the sum of its proper divisors (519907672).

538837928 is a wasteful number, since it uses less digits than its factorization.

538837928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12521 (or 12517 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 538837928 is about 23212.8828024440. The cubic root of 538837928 is about 813.7407268078.

The spelling of 538837928 in words is "five hundred thirty-eight million, eight hundred thirty-seven thousand, nine hundred twenty-eight".