538928 has 20 divisors (see below), whose sum is σ = 1124928. Its totient is φ = 248640.

The previous prime is 538927. The next prime is 538931. The reversal of 538928 is 829835.

It is not an unprimeable number, because it can be changed into a prime (538921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088 + ... + 1503.

2⁵³⁸⁹²⁸ is an apocalyptic number.

It is an amenable number.

538928 is an abundant number, since it is smaller than the sum of its proper divisors (586000).

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

538928 is a wasteful number, since it uses less digits than its factorization.

538928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612 (or 2606 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 538928 is about 734.1171568626. The cubic root of 538928 is about 81.3786065840.

The spelling of 538928 in words is "five hundred thirty-eight thousand, nine hundred twenty-eight".