656303328 has 36 divisors (see below), whose sum is σ = 1866363408. Its totient is φ = 218767680.

The previous prime is 656303311. The next prime is 656303369. The reversal of 656303328 is 823303656.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 656303292 and 656303301.

It is a congruent number.

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, 1139128 + ... + 1139703.

It is an arithmetic number, because the mean of its divisors is an integer number (51843428).

Almost surely, 2^656303328 is an apocalyptic number.

It is an amenable number.

656303328 is an abundant number, since it is smaller than the sum of its proper divisors (1210060080).

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

656303328 is a wasteful number, since it uses less digits than its factorization.

656303328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278847 (or 2278836 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 656303328 is about 25618.4177497362. The cubic root of 656303328 is about 869.0301995744.

The spelling of 656303328 in words is "six hundred fifty-six million, three hundred three thousand, three hundred twenty-eight".