199993299 has 16 divisors (see below), whose sum is σ = 292533120. Its totient is φ = 120527360.

The previous prime is 199993289. The next prime is 199993331. The reversal of 199993299 is 992399991.

It is a cyclic number.

It is not a de Polignac number, because 199993299 - 2⁵ = 199993267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199993249) 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 15 ways as a sum of consecutive naturals, for example, 11022 + ... + 22835.

It is an arithmetic number, because the mean of its divisors is an integer number (18283320).

Almost surely, 2^199993299 is an apocalyptic number.

199993299 is a deficient number, since it is larger than the sum of its proper divisors (92539821).

199993299 is a wasteful number, since it uses less digits than its factorization.

199993299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34050.

The product of its digits is 3188646, while the sum is 60.

The square root of 199993299 is about 14141.8987056194. The cubic root of 199993299 is about 584.7970162887.

The spelling of 199993299 in words is "one hundred ninety-nine million, nine hundred ninety-three thousand, two hundred ninety-nine".