204899768 has 16 divisors (see below), whose sum is σ = 387214080. Its totient is φ = 101642688.

The previous prime is 204899729. The next prime is 204899771. The reversal of 204899768 is 867998402.

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 in 3 ways as a sum of consecutive naturals, for example, 99821 + ... + 101852.

It is an arithmetic number, because the mean of its divisors is an integer number (24200880).

Almost surely, 2^204899768 is an apocalyptic number.

It is an amenable number.

204899768 is a deficient number, since it is larger than the sum of its proper divisors (182314312).

204899768 is a wasteful number, since it uses less digits than its factorization.

204899768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201806 (or 201802 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 204899768 is about 14314.3203820510. The cubic root of 204899768 is about 589.5407399874.

The spelling of 204899768 in words is "two hundred four million, eight hundred ninety-nine thousand, seven hundred sixty-eight".