869764 has 12 divisors (see below), whose sum is σ = 1739584. Its totient is φ = 372744.

The previous prime is 869753. The next prime is 869773. The reversal of 869764 is 467968.

869764 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15504 + ... + 15559.

2⁸⁶⁹⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

869764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

869764 is a wasteful number, since it uses less digits than its factorization.

869764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31074 (or 31072 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 869764 is about 932.6113874492. The cubic root of 869764 is about 95.4553943166.

The spelling of 869764 in words is "eight hundred sixty-nine thousand, seven hundred sixty-four".