392664 has 16 divisors (see below), whose sum is σ = 981720. Its totient is φ = 130880.

The previous prime is 392663. The next prime is 392669. The reversal of 392664 is 466293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392663) by changing a digit.

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, 8157 + ... + 8204.

2³⁹²⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

392664 is an abundant number, since it is smaller than the sum of its proper divisors (589056).

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

392664 is a wasteful number, since it uses less digits than its factorization.

392664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16370 (or 16366 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 392664 is about 626.6290768868. The cubic root of 392664 is about 73.2274136624.

The spelling of 392664 in words is "three hundred ninety-two thousand, six hundred sixty-four".