392494 has 4 divisors (see below), whose sum is σ = 588744. Its totient is φ = 196246.

The previous prime is 392489. The next prime is 392503. The reversal of 392494 is 494293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 494293 = 23 ⋅21491.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98122 + ... + 98125.

It is an arithmetic number, because the mean of its divisors is an integer number (147186).

2³⁹²⁴⁹⁴ is an apocalyptic number.

392494 is a deficient number, since it is larger than the sum of its proper divisors (196250).

392494 is a wasteful number, since it uses less digits than its factorization.

392494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196249.

The product of its digits is 7776, while the sum is 31.

The square root of 392494 is about 626.4934157675. The cubic root of 392494 is about 73.2168444419.

The spelling of 392494 in words is "three hundred ninety-two thousand, four hundred ninety-four".