199544882 has 8 divisors (see below), whose sum is σ = 309638700. Its totient is φ = 96331984.

The previous prime is 199544881. The next prime is 199544893. The reversal of 199544882 is 288445991.

It can be written as a sum of positive squares in 2 ways, for example, as 173422561 + 26122321 = 13169^2 + 5111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 199544882.

It is not an unprimeable number, because it can be changed into a prime (199544881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1720157 + ... + 1720272.

Almost surely, 2^199544882 is an apocalyptic number.

199544882 is a deficient number, since it is larger than the sum of its proper divisors (110093818).

199544882 is a wasteful number, since it uses less digits than its factorization.

199544882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440460.

The product of its digits is 829440, while the sum is 50.

The square root of 199544882 is about 14126.0356080537. The cubic root of 199544882 is about 584.3596197044.

The spelling of 199544882 in words is "one hundred ninety-nine million, five hundred forty-four thousand, eight hundred eighty-two".