393314664 has 16 divisors (see below), whose sum is σ = 983286720. Its totient is φ = 131104880.

The previous prime is 393314627. The next prime is 393314707. The reversal of 393314664 is 466413393.

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, 8194032 + ... + 8194079.

It is an arithmetic number, because the mean of its divisors is an integer number (61455420).

Almost surely, 2^393314664 is an apocalyptic number.

It is an amenable number.

393314664 is an abundant number, since it is smaller than the sum of its proper divisors (589972056).

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

393314664 is a wasteful number, since it uses less digits than its factorization.

393314664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16388120 (or 16388116 counting only the distinct ones).

The product of its digits is 139968, while the sum is 39.

The square root of 393314664 is about 19832.1623631918. The cubic root of 393314664 is about 732.6783851132.

The spelling of 393314664 in words is "three hundred ninety-three million, three hundred fourteen thousand, six hundred sixty-four".