656849432 has 8 divisors (see below), whose sum is σ = 1231592700. Its totient is φ = 328424712.

The previous prime is 656849429. The next prime is 656849443. The reversal of 656849432 is 234948656.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41053082 + ... + 41053097.

Almost surely, 2^656849432 is an apocalyptic number.

It is an amenable number.

656849432 is a deficient number, since it is larger than the sum of its proper divisors (574743268).

656849432 is a wasteful number, since it uses less digits than its factorization.

656849432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82106185 (or 82106181 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 47.

The square root of 656849432 is about 25629.0739590801. The cubic root of 656849432 is about 869.2711701120.

The spelling of 656849432 in words is "six hundred fifty-six million, eight hundred forty-nine thousand, four hundred thirty-two".