538864 has 10 divisors (see below), whose sum is σ = 1044080. Its totient is φ = 269424.

The previous prime is 538841. The next prime is 538871. The reversal of 538864 is 468835.

It is a congruent number.

It is an unprimeable number.

538864 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16824 + ... + 16855.

It is an arithmetic number, because the mean of its divisors is an integer number (104408).

2⁵³⁸⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

538864 is a deficient number, since it is larger than the sum of its proper divisors (505216).

538864 is a wasteful number, since it uses less digits than its factorization.

538864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33687 (or 33681 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 538864 is about 734.0735657957. The cubic root of 538864 is about 81.3753851042.

The spelling of 538864 in words is "five hundred thirty-eight thousand, eight hundred sixty-four".