204560998 has 4 divisors (see below), whose sum is σ = 306841500. Its totient is φ = 102280498.

The previous prime is 204560989. The next prime is 204561001. The reversal of 204560998 is 899065402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51140248 + ... + 51140251.

It is an arithmetic number, because the mean of its divisors is an integer number (76710375).

Almost surely, 2^204560998 is an apocalyptic number.

204560998 is a deficient number, since it is larger than the sum of its proper divisors (102280502).

204560998 is a wasteful number, since it uses less digits than its factorization.

204560998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102280501.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 204560998 is about 14302.4822321162. The cubic root of 204560998 is about 589.2156560246.

The spelling of 204560998 in words is "two hundred four million, five hundred sixty thousand, nine hundred ninety-eight".