386636 has 12 divisors (see below), whose sum is σ = 681912. Its totient is φ = 191808.

The previous prime is 386629. The next prime is 386641. The reversal of 386636 is 636683.

It is a happy number.

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, 356 + ... + 948.

It is an arithmetic number, because the mean of its divisors is an integer number (56826).

2³⁸⁶⁶³⁶ is an apocalyptic number.

It is an amenable number.

386636 is a deficient number, since it is larger than the sum of its proper divisors (295276).

386636 is a wasteful number, since it uses less digits than its factorization.

386636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 758 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 386636 is about 621.8006111287. The cubic root of 386636 is about 72.8507616022.

Subtracting 386636 from its reverse (636683), we obtain a cube (250047 = 63³).

The spelling of 386636 in words is "three hundred eighty-six thousand, six hundred thirty-six".