869538 has 16 divisors (see below), whose sum is σ = 1814976. Its totient is φ = 277200.

The previous prime is 869521. The next prime is 869543. The reversal of 869538 is 835968.

It is a junction number, because it is equal to n+sod(n) for n = 869496 and 869505.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 869538.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3013 + ... + 3288.

It is an arithmetic number, because the mean of its divisors is an integer number (113436).

2⁸⁶⁹⁵³⁸ is an apocalyptic number.

869538 is an abundant number, since it is smaller than the sum of its proper divisors (945438).

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

869538 is a wasteful number, since it uses less digits than its factorization.

869538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329.

The product of its digits is 51840, while the sum is 39.

The square root of 869538 is about 932.4902144259. The cubic root of 869538 is about 95.4471258715.

The spelling of 869538 in words is "eight hundred sixty-nine thousand, five hundred thirty-eight".