204492 has 12 divisors (see below), whose sum is σ = 477176. Its totient is φ = 68160.

The previous prime is 204487. The next prime is 204509. The reversal of 204492 is 294402.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

204492 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, 8509 + ... + 8532.

2²⁰⁴⁴⁹² is an apocalyptic number.

It is an amenable number.

204492 is an abundant number, since it is smaller than the sum of its proper divisors (272684).

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

204492 is a wasteful number, since it uses less digits than its factorization.

204492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17048 (or 17046 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 204492 is about 452.2079167817. The cubic root of 204492 is about 58.9149401502.

Adding to 204492 its reverse (294402), we get a palindrome (498894).

It can be divided in two parts, 204 and 492, that added together give a palindrome (696).

The spelling of 204492 in words is "two hundred four thousand, four hundred ninety-two".