656954312 has 16 divisors (see below), whose sum is σ = 1407759360. Its totient is φ = 281551824.

The previous prime is 656954303. The next prime is 656954329. The reversal of 656954312 is 213459656.

It is a self number, because there is not a number n which added to its sum of digits gives 656954312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5865608 + ... + 5865719.

It is an arithmetic number, because the mean of its divisors is an integer number (87984960).

Almost surely, 2^656954312 is an apocalyptic number.

It is an amenable number.

656954312 is an abundant number, since it is smaller than the sum of its proper divisors (750805048).

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

656954312 is a wasteful number, since it uses less digits than its factorization.

656954312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11731340 (or 11731336 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 656954312 is about 25631.1199911358. The cubic root of 656954312 is about 869.3174335345.

It can be divided in two parts, 65695 and 4312, that added together give a palindrome (70007).

The spelling of 656954312 in words is "six hundred fifty-six million, nine hundred fifty-four thousand, three hundred twelve".