199800192 has 32 divisors (see below), whose sum is σ = 530720280. Its totient is φ = 66599936.

The previous prime is 199800191. The next prime is 199800199. The reversal of 199800192 is 291008991.

It is a happy number.

199800192 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 199800192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199800191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259773 + ... + 260540.

Almost surely, 2^199800192 is an apocalyptic number.

199800192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199800192 is an abundant number, since it is smaller than the sum of its proper divisors (330920088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199800192 is an equidigital number, since it uses as much as digits as its factorization.

199800192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520330 (or 520318 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 39.

The square root of 199800192 is about 14135.0695788878. The cubic root of 199800192 is about 584.6087353743.

The spelling of 199800192 in words is "one hundred ninety-nine million, eight hundred thousand, one hundred ninety-two".