388392 has 16 divisors (see below), whose sum is σ = 971040. Its totient is φ = 129456.

The previous prime is 388391. The next prime is 388403. The reversal of 388392 is 293883.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388392.

It is not an unprimeable number, because it can be changed into a prime (388391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8068 + ... + 8115.

It is an arithmetic number, because the mean of its divisors is an integer number (60690).

2³⁸⁸³⁹² is an apocalyptic number.

It is an amenable number.

388392 is an abundant number, since it is smaller than the sum of its proper divisors (582648).

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

388392 is a wasteful number, since it uses less digits than its factorization.

388392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16192 (or 16188 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 388392 is about 623.2110396968. The cubic root of 388392 is about 72.9608847807.

It can be divided in two parts, 388 and 392, that added together give a triangular number (780 = T₃₉).

The spelling of 388392 in words is "three hundred eighty-eight thousand, three hundred ninety-two".