204193856 has 28 divisors (see below), whose sum is σ = 406066752. Its totient is φ = 101877888.

The previous prime is 204193837. The next prime is 204193879. The reversal of 204193856 is 658391402.

It is a happy 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, 29021 + ... + 35363.

It is an arithmetic number, because the mean of its divisors is an integer number (14502384).

Almost surely, 2^204193856 is an apocalyptic number.

It is an amenable number.

204193856 is a deficient number, since it is larger than the sum of its proper divisors (201872896).

204193856 is an equidigital number, since it uses as much as digits as its factorization.

204193856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6858 (or 6848 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 204193856 is about 14289.6415630344. The cubic root of 204193856 is about 588.8629407551.

The spelling of 204193856 in words is "two hundred four million, one hundred ninety-three thousand, eight hundred fifty-six".