392872 has 8 divisors (see below), whose sum is σ = 736650. Its totient is φ = 196432.

The previous prime is 392857. The next prime is 392879. The reversal of 392872 is 278293.

It can be written as a sum of positive squares in only one way, i.e., 376996 + 15876 = 614^2 + 126^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (392879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24547 + ... + 24562.

2³⁹²⁸⁷² is an apocalyptic number.

It is an amenable number.

392872 is a deficient number, since it is larger than the sum of its proper divisors (343778).

392872 is a wasteful number, since it uses less digits than its factorization.

392872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49115 (or 49111 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 392872 is about 626.7950223159. The cubic root of 392872 is about 73.2403412659.

The spelling of 392872 in words is "three hundred ninety-two thousand, eight hundred seventy-two".