199996983 has 48 divisors (see below), whose sum is σ = 320136960. Its totient is φ = 119750400.

The previous prime is 199996981. The next prime is 199996987. The reversal of 199996983 is 389699991.

It is not a de Polignac number, because 199996983 - 2¹ = 199996981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 199996983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199996981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 829743 + ... + 829983.

It is an arithmetic number, because the mean of its divisors is an integer number (6669520).

Almost surely, 2^199996983 is an apocalyptic number.

199996983 is a deficient number, since it is larger than the sum of its proper divisors (120139977).

199996983 is a wasteful number, since it uses less digits than its factorization.

199996983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 497 counting only the distinct ones).

The product of its digits is 8503056, while the sum is 63.

The square root of 199996983 is about 14142.0289562707. The cubic root of 199996983 is about 584.8006070406.

The spelling of 199996983 in words is "one hundred ninety-nine million, nine hundred ninety-six thousand, nine hundred eighty-three".