199983194 has 8 divisors (see below), whose sum is σ = 300211380. Its totient is φ = 99912736.

The previous prime is 199983191. The next prime is 199983211. The reversal of 199983194 is 491389991.

199983194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 154082569 + 45900625 = 12413^2 + 6775^2 .

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

It is not an unprimeable number, because it can be changed into a prime (199983191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36209 + ... + 41364.

Almost surely, 2^199983194 is an apocalyptic number.

199983194 is a deficient number, since it is larger than the sum of its proper divisors (100228186).

199983194 is a wasteful number, since it uses less digits than its factorization.

199983194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78864.

The product of its digits is 629856, while the sum is 53.

The square root of 199983194 is about 14141.5414294199. The cubic root of 199983194 is about 584.7871668364.

The spelling of 199983194 in words is "one hundred ninety-nine million, nine hundred eighty-three thousand, one hundred ninety-four".