199294899 has 8 divisors (see below), whose sum is σ = 271380480. Its totient is φ = 130036296.

The previous prime is 199294889. The next prime is 199294943. The reversal of 199294899 is 998492991.

It is a happy number.

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

It is not a de Polignac number, because 199294899 - 2⁵ = 199294867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199294829) 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 7 ways as a sum of consecutive naturals, for example, 706579 + ... + 706860.

It is an arithmetic number, because the mean of its divisors is an integer number (33922560).

Almost surely, 2^199294899 is an apocalyptic number.

199294899 is a deficient number, since it is larger than the sum of its proper divisors (72085581).

199294899 is a wasteful number, since it uses less digits than its factorization.

199294899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413489.

The product of its digits is 3779136, while the sum is 60.

The square root of 199294899 is about 14117.1845280849. The cubic root of 199294899 is about 584.1154958209.

The spelling of 199294899 in words is "one hundred ninety-nine million, two hundred ninety-four thousand, eight hundred ninety-nine".