199880984 has 16 divisors (see below), whose sum is σ = 376134000. Its totient is φ = 99578592.

The previous prime is 199880983. The next prime is 199880999. The reversal of 199880984 is 489088991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199880983) 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, 42884 + ... + 47315.

It is an arithmetic number, because the mean of its divisors is an integer number (23508375).

Almost surely, 2^199880984 is an apocalyptic number.

It is an amenable number.

199880984 is a deficient number, since it is larger than the sum of its proper divisors (176253016).

199880984 is a wasteful number, since it uses less digits than its factorization.

199880984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90482 (or 90478 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 56.

The square root of 199880984 is about 14137.9271465091. The cubic root of 199880984 is about 584.6875229932.

The spelling of 199880984 in words is "one hundred ninety-nine million, eight hundred eighty thousand, nine hundred eighty-four".