204985296 has 40 divisors (see below), whose sum is σ = 588384960. Its totient is φ = 68328288.

The previous prime is 204985289. The next prime is 204985309. The reversal of 204985296 is 692589402.

204985296 is a `hidden beast` number, since 20 + 498 + 52 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236820 + ... + 237683.

It is an arithmetic number, because the mean of its divisors is an integer number (14709624).

Almost surely, 2^204985296 is an apocalyptic number.

It is an amenable number.

204985296 is an abundant number, since it is smaller than the sum of its proper divisors (383399664).

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

204985296 is a wasteful number, since it uses less digits than its factorization.

204985296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474520 (or 474508 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 204985296 is about 14317.3075681149. The cubic root of 204985296 is about 589.6227560660.

The spelling of 204985296 in words is "two hundred four million, nine hundred eighty-five thousand, two hundred ninety-six".