206327904 has 24 divisors (see below), whose sum is σ = 541611000. Its totient is φ = 68775936.

The previous prime is 206327893. The next prime is 206327911. The reversal of 206327904 is 409723602.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074529 + ... + 1074720.

It is an arithmetic number, because the mean of its divisors is an integer number (22567125).

Almost surely, 2^206327904 is an apocalyptic number.

206327904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

206327904 is an abundant number, since it is smaller than the sum of its proper divisors (335283096).

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

206327904 is a wasteful number, since it uses less digits than its factorization.

206327904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149262 (or 2149254 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 206327904 is about 14364.1186294182. The cubic root of 206327904 is about 590.9072549514.

The spelling of 206327904 in words is "two hundred six million, three hundred twenty-seven thousand, nine hundred four".