199795808 has 24 divisors (see below), whose sum is σ = 394363872. Its totient is φ = 99639936.

The previous prime is 199795807. The next prime is 199795853. The reversal of 199795808 is 808597991.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199795807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4841 + ... + 20567.

It is an arithmetic number, because the mean of its divisors is an integer number (16431828).

Almost surely, 2^199795808 is an apocalyptic number.

It is an amenable number.

199795808 is a deficient number, since it is larger than the sum of its proper divisors (194568064).

199795808 is a wasteful number, since it uses less digits than its factorization.

199795808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16134 (or 16126 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 56.

The square root of 199795808 is about 14134.9145027482. The cubic root of 199795808 is about 584.6044595302.

The spelling of 199795808 in words is "one hundred ninety-nine million, seven hundred ninety-five thousand, eight hundred eight".