204604 has 6 divisors (see below), whose sum is σ = 358064. Its totient is φ = 102300.

The previous prime is 204601. The next prime is 204613. The reversal of 204604 is 406402.

204604 is nontrivially palindromic in base 6.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25572 + ... + 25579.

2²⁰⁴⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

204604 is a deficient number, since it is larger than the sum of its proper divisors (153460).

204604 is a wasteful number, since it uses less digits than its factorization.

204604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51155 (or 51153 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 204604 is about 452.3317366712. The cubic root of 204604 is about 58.9256940656.

It can be divided in two parts, 204 and 604, that added together give a palindrome (808).

The spelling of 204604 in words is "two hundred four thousand, six hundred four".