199304192 has 66 divisors (see below), whose sum is σ = 425829222. Its totient is φ = 92913664.

The previous prime is 199304137. The next prime is 199304213. The reversal of 199304192 is 291403991.

It can be written as a sum of positive squares in only one way, i.e., 187580416 + 11723776 = 13696^2 + 3424^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1862603 + ... + 1862709.

Almost surely, 2^199304192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199304192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212914611).

199304192 is an abundant number, since it is smaller than the sum of its proper divisors (226525030).

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

199304192 is an equidigital number, since it uses as much as digits as its factorization.

199304192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 199304192 is about 14117.5136621149. The cubic root of 199304192 is about 584.1245746632.

The spelling of 199304192 in words is "one hundred ninety-nine million, three hundred four thousand, one hundred ninety-two".