204998604 has 24 divisors (see below), whose sum is σ = 478583280. Its totient is φ = 68296704.

The previous prime is 204998603. The next prime is 204998621. The reversal of 204998604 is 406899402.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (204998603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29092 + ... + 35444.

It is an arithmetic number, because the mean of its divisors is an integer number (19940970).

Almost surely, 2^204998604 is an apocalyptic number.

It is an amenable number.

204998604 is an abundant number, since it is smaller than the sum of its proper divisors (273584676).

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

204998604 is a wasteful number, since it uses less digits than its factorization.

204998604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9049 (or 9047 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 204998604 is about 14317.7723127587. The cubic root of 204998604 is about 589.6355155663.

The spelling of 204998604 in words is "two hundred four million, nine hundred ninety-eight thousand, six hundred four".