655393964 has 12 divisors (see below), whose sum is σ = 1147519464. Its totient is φ = 327531264.

The previous prime is 655393931. The next prime is 655394009. The reversal of 655393964 is 469393556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32309 + ... + 48524.

It is an arithmetic number, because the mean of its divisors is an integer number (95626622).

Almost surely, 2^655393964 is an apocalyptic number.

It is an amenable number.

655393964 is a deficient number, since it is larger than the sum of its proper divisors (492125500).

655393964 is a wasteful number, since it uses less digits than its factorization.

655393964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82864 (or 82862 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 50.

The square root of 655393964 is about 25600.6633507806. The cubic root of 655393964 is about 868.6286423376.

The spelling of 655393964 in words is "six hundred fifty-five million, three hundred ninety-three thousand, nine hundred sixty-four".