388632 has 16 divisors (see below), whose sum is σ = 971640. Its totient is φ = 129536.

The previous prime is 388621. The next prime is 388651. The reversal of 388632 is 236883.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 388632.

It is a congruent number.

It is an unprimeable number.

388632 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8073 + ... + 8120.

2³⁸⁸⁶³² is an apocalyptic number.

It is an amenable number.

388632 is an abundant number, since it is smaller than the sum of its proper divisors (583008).

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

388632 is a wasteful number, since it uses less digits than its factorization.

388632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16202 (or 16198 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 388632 is about 623.4035611063. The cubic root of 388632 is about 72.9759099845.

The spelling of 388632 in words is "three hundred eighty-eight thousand, six hundred thirty-two".