392144 has 10 divisors (see below), whose sum is σ = 759810. Its totient is φ = 196064.

The previous prime is 392143. The next prime is 392149. The reversal of 392144 is 441293.

It can be written as a sum of positive squares in only one way, i.e., 384400 + 7744 = 620^2 + 88^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 392144.

It is not an unprimeable number, because it can be changed into a prime (392143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12239 + ... + 12270.

It is an arithmetic number, because the mean of its divisors is an integer number (75981).

2³⁹²¹⁴⁴ is an apocalyptic number.

It is an amenable number.

392144 is a deficient number, since it is larger than the sum of its proper divisors (367666).

392144 is a wasteful number, since it uses less digits than its factorization.

392144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24517 (or 24511 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 392144 is about 626.2140209226. The cubic root of 392144 is about 73.1950746684.

The spelling of 392144 in words is "three hundred ninety-two thousand, one hundred forty-four".