199832198 has 16 divisors (see below), whose sum is σ = 304572960. Its totient is φ = 98313600.

The previous prime is 199832197. The next prime is 199832209. The reversal of 199832198 is 891238991.

It is a happy number.

199832198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×199832198² = 79865814715022408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199832197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92798 + ... + 94926.

It is an arithmetic number, because the mean of its divisors is an integer number (19035810).

Almost surely, 2^199832198 is an apocalyptic number.

199832198 is a deficient number, since it is larger than the sum of its proper divisors (104740762).

199832198 is a wasteful number, since it uses less digits than its factorization.

199832198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863.

The product of its digits is 279936, while the sum is 50.

The square root of 199832198 is about 14136.2016822059. The cubic root of 199832198 is about 584.6399498725.

The spelling of 199832198 in words is "one hundred ninety-nine million, eight hundred thirty-two thousand, one hundred ninety-eight".