199802092 has 24 divisors (see below), whose sum is σ = 401685536. Its totient is φ = 85183488.

The previous prime is 199802089. The next prime is 199802093. The reversal of 199802092 is 290208991.

It is not an unprimeable number, because it can be changed into a prime (199802093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13083 + ... + 23890.

Almost surely, 2^199802092 is an apocalyptic number.

It is an amenable number.

199802092 is an abundant number, since it is smaller than the sum of its proper divisors (201883444).

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

199802092 is a wasteful number, since it uses less digits than its factorization.

199802092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37177 (or 37175 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 199802092 is about 14135.1367874527. The cubic root of 199802092 is about 584.6105884808.

The spelling of 199802092 in words is "one hundred ninety-nine million, eight hundred two thousand, ninety-two".