538956 has 36 divisors (see below), whose sum is σ = 1487304. Its totient is φ = 163200.

The previous prime is 538943. The next prime is 538987. The reversal of 538956 is 659835.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 538956.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285 + ... + 1076.

It is an arithmetic number, because the mean of its divisors is an integer number (41314).

2⁵³⁸⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

538956 is an abundant number, since it is smaller than the sum of its proper divisors (948348).

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

538956 is a wasteful number, since it uses less digits than its factorization.

538956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1377 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 538956 is about 734.1362271404. The cubic root of 538956 is about 81.3800159013.

It can be divided in two parts, 5389 and 56, that added together give a palindrome (5445).

The spelling of 538956 in words is "five hundred thirty-eight thousand, nine hundred fifty-six".