199968598 has 8 divisors (see below), whose sum is σ = 300016080. Its totient is φ = 99963240.

The previous prime is 199968583. The next prime is 199968599. The reversal of 199968598 is 895869991.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199968599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7543 + ... + 21373.

It is an arithmetic number, because the mean of its divisors is an integer number (37502010).

Almost surely, 2^199968598 is an apocalyptic number.

199968598 is a deficient number, since it is larger than the sum of its proper divisors (100047482).

199968598 is a wasteful number, since it uses less digits than its factorization.

199968598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21062.

The product of its digits is 12597120, while the sum is 64.

The square root of 199968598 is about 14141.0253517911. The cubic root of 199968598 is about 584.7729393722.

The spelling of 199968598 in words is "one hundred ninety-nine million, nine hundred sixty-eight thousand, five hundred ninety-eight".