386664 has 16 divisors (see below), whose sum is σ = 966720. Its totient is φ = 128880.

The previous prime is 386651. The next prime is 386677. The reversal of 386664 is 466683.

It is an interprime number because it is at equal distance from previous prime (386651) and next prime (386677).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8032 + ... + 8079.

It is an arithmetic number, because the mean of its divisors is an integer number (60420).

2³⁸⁶⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

386664 is an abundant number, since it is smaller than the sum of its proper divisors (580056).

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

386664 is a wasteful number, since it uses less digits than its factorization.

386664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16120 (or 16116 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 386664 is about 621.8231259772. The cubic root of 386664 is about 72.8525201659.

The spelling of 386664 in words is "three hundred eighty-six thousand, six hundred sixty-four".