392984 has 8 divisors (see below), whose sum is σ = 736860. Its totient is φ = 196488.

The previous prime is 392983. The next prime is 393007. The reversal of 392984 is 489293.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24554 + ... + 24569.

2³⁹²⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

392984 is a deficient number, since it is larger than the sum of its proper divisors (343876).

392984 is a wasteful number, since it uses less digits than its factorization.

392984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49129 (or 49125 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 392984 is about 626.8843593519. The cubic root of 392984 is about 73.2473003932.

The spelling of 392984 in words is "three hundred ninety-two thousand, nine hundred eighty-four".