386785388 has 48 divisors (see below), whose sum is σ = 795432960. Its totient is φ = 162729600.

The previous prime is 386785369. The next prime is 386785391. The reversal of 386785388 is 883587683.

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, 25208 + ... + 37536.

It is an arithmetic number, because the mean of its divisors is an integer number (16571520).

Almost surely, 2^386785388 is an apocalyptic number.

It is an amenable number.

386785388 is an abundant number, since it is smaller than the sum of its proper divisors (408647572).

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

386785388 is a wasteful number, since it uses less digits than its factorization.

386785388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12398 (or 12396 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 56.

The square root of 386785388 is about 19666.8601459409. The cubic root of 386785388 is about 728.6014306021.

The spelling of 386785388 in words is "three hundred eighty-six million, seven hundred eighty-five thousand, three hundred eighty-eight".