696690864 has 30 divisors (see below), whose sum is σ = 1949767196. Its totient is φ = 232230240.

The previous prime is 696690847. The next prime is 696690877. The reversal of 696690864 is 468096696.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 696690864.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2418922 + ... + 2419209.

Almost surely, 2^696690864 is an apocalyptic number.

It is an amenable number.

696690864 is an abundant number, since it is smaller than the sum of its proper divisors (1253076332).

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

696690864 is a wasteful number, since it uses less digits than its factorization.

696690864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838145 (or 4838136 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The square root of 696690864 is about 26394.9022350908. The cubic root of 696690864 is about 886.5026506754.

The spelling of 696690864 in words is "six hundred ninety-six million, six hundred ninety thousand, eight hundred sixty-four".