204998899 has 6 divisors (see below), whose sum is σ = 238468164. Its totient is φ = 175713300.

The previous prime is 204998897. The next prime is 204998909. The reversal of 204998899 is 998899402.

It is not a de Polignac number, because 204998899 - 2¹ = 204998897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204998891) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2091777 + ... + 2091874.

It is an arithmetic number, because the mean of its divisors is an integer number (39744694).

Almost surely, 2^204998899 is an apocalyptic number.

204998899 is a deficient number, since it is larger than the sum of its proper divisors (33469265).

204998899 is an equidigital number, since it uses as much as digits as its factorization.

204998899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183665 (or 4183658 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 58.

The square root of 204998899 is about 14317.7826146369. The cubic root of 204998899 is about 589.6357984014.

The spelling of 204998899 in words is "two hundred four million, nine hundred ninety-eight thousand, eight hundred ninety-nine".