204573684 has 96 divisors (see below), whose sum is σ = 599316480. Its totient is φ = 52956288.

The previous prime is 204573683. The next prime is 204573689. The reversal of 204573684 is 486375402.

It is a happy number.

204573684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204573683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33922 + ... + 39494.

It is an arithmetic number, because the mean of its divisors is an integer number (6242880).

Almost surely, 2^204573684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204573684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299658240).

204573684 is an abundant number, since it is smaller than the sum of its proper divisors (394742796).

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

204573684 is a wasteful number, since it uses less digits than its factorization.

204573684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629 (or 5627 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 204573684 is about 14302.9257146921. The cubic root of 204573684 is about 589.2278359862.

The spelling of 204573684 in words is "two hundred four million, five hundred seventy-three thousand, six hundred eighty-four".