388072 has 16 divisors (see below), whose sum is σ = 734400. Its totient is φ = 192240.

The previous prime is 388067. The next prime is 388081. The reversal of 388072 is 270883.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 388072.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1297 + ... + 1567.

It is an arithmetic number, because the mean of its divisors is an integer number (45900).

2³⁸⁸⁰⁷² is an apocalyptic number.

It is an amenable number.

388072 is a deficient number, since it is larger than the sum of its proper divisors (346328).

388072 is a wasteful number, since it uses less digits than its factorization.

388072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 388072 is about 622.9542519319. The cubic root of 388072 is about 72.9408415442.

It can be divided in two parts, 38807 and 2, that added together give a square (38809 = 197²).

The spelling of 388072 in words is "three hundred eighty-eight thousand, seventy-two".