388472832 has 168 divisors, whose sum is σ = 1226759040. Its totient is φ = 117473280.

The previous prime is 388472789. The next prime is 388472857. The reversal of 388472832 is 238274883.

It is a super-2 number, since 2×388472832² = 301822282404200448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 810769 + ... + 811247.

Almost surely, 2^388472832 is an apocalyptic number.

388472832 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 388472832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613379520).

388472832 is an abundant number, since it is smaller than the sum of its proper divisors (838286208).

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

388472832 is a wasteful number, since it uses less digits than its factorization.

388472832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 495 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 388472832 is about 19709.7141531784. The cubic root of 388472832 is about 729.6594596047.

The spelling of 388472832 in words is "three hundred eighty-eight million, four hundred seventy-two thousand, eight hundred thirty-two".