386864208 has 80 divisors (see below), whose sum is σ = 1114442560. Its totient is φ = 128490624.

The previous prime is 386864183. The next prime is 386864213. The reversal of 386864208 is 802468683.

It is a happy number.

386864208 is a `hidden beast` number, since 386 + 8 + 64 + 208 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131166 + ... + 134082.

It is an arithmetic number, because the mean of its divisors is an integer number (13930532).

Almost surely, 2^386864208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386864208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557221280).

386864208 is an abundant number, since it is smaller than the sum of its proper divisors (727578352).

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

386864208 is a wasteful number, since it uses less digits than its factorization.

386864208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241 (or 3229 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 386864208 is about 19668.8639224537. The cubic root of 386864208 is about 728.6509192557.

The spelling of 386864208 in words is "three hundred eighty-six million, eight hundred sixty-four thousand, two hundred eight".