199980008 has 16 divisors (see below), whose sum is σ = 387058560. Its totient is φ = 96764400.

The previous prime is 199980007. The next prime is 199980013. The reversal of 199980008 is 800089991.

It is not an unprimeable number, because it can be changed into a prime (199980007) 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, 402938 + ... + 403433.

It is an arithmetic number, because the mean of its divisors is an integer number (24191160).

Almost surely, 2^199980008 is an apocalyptic number.

It is an amenable number.

199980008 is a deficient number, since it is larger than the sum of its proper divisors (187078552).

199980008 is a wasteful number, since it uses less digits than its factorization.

199980008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806408 (or 806404 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 44.

The square root of 199980008 is about 14141.4287821281. The cubic root of 199980008 is about 584.7840613391.

The spelling of 199980008 in words is "one hundred ninety-nine million, nine hundred eighty thousand, eight".