204392 has 16 divisors (see below), whose sum is σ = 396900. Its totient is φ = 98560.

The previous prime is 204377. The next prime is 204397. The reversal of 204392 is 293402.

204392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 198916 + 5476 = 446^2 + 74^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 204392.

It is not an unprimeable number, because it can be changed into a prime (204397) 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, 209 + ... + 672.

2²⁰⁴³⁹² is an apocalyptic number.

It is an amenable number.

204392 is a deficient number, since it is larger than the sum of its proper divisors (192508).

204392 is a wasteful number, since it uses less digits than its factorization.

204392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 204392 is about 452.0973346526. The cubic root of 204392 is about 58.9053351215.

Adding to 204392 its reverse (293402), we get a palindrome (497794).

The spelling of 204392 in words is "two hundred four thousand, three hundred ninety-two".