656088 has 16 divisors (see below), whose sum is σ = 1640280. Its totient is φ = 218688.

The previous prime is 656077. The next prime is 656113. The reversal of 656088 is 880656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13645 + ... + 13692.

2⁶⁵⁶⁰⁸⁸ is an apocalyptic number.

It is an amenable number.

656088 is an abundant number, since it is smaller than the sum of its proper divisors (984192).

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

656088 is a wasteful number, since it uses less digits than its factorization.

656088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27346 (or 27342 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 656088 is about 809.9925925587. The cubic root of 656088 is about 86.8935148503.

The spelling of 656088 in words is "six hundred fifty-six thousand, eighty-eight".