392842 has 8 divisors (see below), whose sum is σ = 595296. Its totient is φ = 194412.

The previous prime is 392837. The next prime is 392849. The reversal of 392842 is 248293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 392842.

It is not an unprimeable number, because it can be changed into a prime (392849) 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, 748 + ... + 1159.

It is an arithmetic number, because the mean of its divisors is an integer number (74412).

2³⁹²⁸⁴² is an apocalyptic number.

392842 is a deficient number, since it is larger than the sum of its proper divisors (202454).

392842 is a wasteful number, since it uses less digits than its factorization.

392842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012.

The product of its digits is 3456, while the sum is 28.

The square root of 392842 is about 626.7710905905. The cubic root of 392842 is about 73.2384769893.

The spelling of 392842 in words is "three hundred ninety-two thousand, eight hundred forty-two".