386532388 has 24 divisors (see below), whose sum is σ = 770011200. Its totient is φ = 168057120.

The previous prime is 386532361. The next prime is 386532401. The reversal of 386532388 is 883235683.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189963 + ... + 191986.

It is an arithmetic number, because the mean of its divisors is an integer number (32083800).

Almost surely, 2^386532388 is an apocalyptic number.

It is an amenable number.

386532388 is a deficient number, since it is larger than the sum of its proper divisors (383478812).

386532388 is a wasteful number, since it uses less digits than its factorization.

386532388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381987 (or 381985 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 386532388 is about 19660.4269536549. The cubic root of 386532388 is about 728.4425342440.

It can be divided in two parts, 38653 and 2388, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 386532388 in words is "three hundred eighty-six million, five hundred thirty-two thousand, three hundred eighty-eight".