386887888 has 10 divisors (see below), whose sum is σ = 749595314. Its totient is φ = 193443936.

The previous prime is 386887883. The next prime is 386887939. The reversal of 386887888 is 888788683.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 379003024 + 7884864 = 19468^2 + 2808^2 .

It is a super-2 number, since 2×386887888² = 299364475762201088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386887883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12090231 + ... + 12090262.

Almost surely, 2^386887888 is an apocalyptic number.

It is an amenable number.

386887888 is a deficient number, since it is larger than the sum of its proper divisors (362707426).

386887888 is a wasteful number, since it uses less digits than its factorization.

386887888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24180501 (or 24180495 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 64.

The square root of 386887888 is about 19669.4658798860. The cubic root of 386887888 is about 728.6657858862.

The spelling of 386887888 in words is "three hundred eighty-six million, eight hundred eighty-seven thousand, eight hundred eighty-eight".