204814864 has 10 divisors (see below), whose sum is σ = 396828830. Its totient is φ = 102407424.

The previous prime is 204814837. The next prime is 204814871. The reversal of 204814864 is 468418402.

It can be written as a sum of positive squares in only one way, i.e., 199939600 + 4875264 = 14140^2 + 2208^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6400449 + ... + 6400480.

It is an arithmetic number, because the mean of its divisors is an integer number (39682883).

Almost surely, 2^204814864 is an apocalyptic number.

It is an amenable number.

204814864 is a deficient number, since it is larger than the sum of its proper divisors (192013966).

204814864 is a wasteful number, since it uses less digits than its factorization.

204814864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12800937 (or 12800931 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 204814864 is about 14311.3543733638. The cubic root of 204814864 is about 589.4592997094.

The spelling of 204814864 in words is "two hundred four million, eight hundred fourteen thousand, eight hundred sixty-four".