392900442 has 32 divisors (see below), whose sum is σ = 860073984. Its totient is φ = 118666800.

The previous prime is 392900441. The next prime is 392900483. The reversal of 392900442 is 244009293.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (392900441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10567 + ... + 29957.

It is an arithmetic number, because the mean of its divisors is an integer number (26877312).

Almost surely, 2^392900442 is an apocalyptic number.

392900442 is an abundant number, since it is smaller than the sum of its proper divisors (467173542).

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

392900442 is a wasteful number, since it uses less digits than its factorization.

392900442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19714.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 392900442 is about 19821.7164241647. The cubic root of 392900442 is about 732.4210863669.

The spelling of 392900442 in words is "three hundred ninety-two million, nine hundred thousand, four hundred forty-two".