392442 has 8 divisors (see below), whose sum is σ = 784896. Its totient is φ = 130812.

The previous prime is 392437. The next prime is 392443. The reversal of 392442 is 244293.

It is a happy number.

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

392442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (392443) by changing a digit.

392442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32698 + ... + 32709.

It is an arithmetic number, because the mean of its divisors is an integer number (98112).

2³⁹²⁴⁴² is an apocalyptic number.

392442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

392442 is a wasteful number, since it uses less digits than its factorization.

392442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65412.

The product of its digits is 1728, while the sum is 24.

The square root of 392442 is about 626.4519135576. The cubic root of 392442 is about 73.2136108943.

The spelling of 392442 in words is "three hundred ninety-two thousand, four hundred forty-two".