198920092 has 24 divisors (see below), whose sum is σ = 398157536. Its totient is φ = 85183488.

The previous prime is 198920083. The next prime is 198920129. The reversal of 198920092 is 290029891.

It is a congruent number.

It is an unprimeable number.

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, 50548 + ... + 54340.

Almost surely, 2^198920092 is an apocalyptic number.

It is an amenable number.

198920092 is an abundant number, since it is smaller than the sum of its proper divisors (199237444).

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

198920092 is a wasteful number, since it uses less digits than its factorization.

198920092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677 (or 5675 counting only the distinct ones).

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

The square root of 198920092 is about 14103.9034313200. The cubic root of 198920092 is about 583.7490907826.

The spelling of 198920092 in words is "one hundred ninety-eight million, nine hundred twenty thousand, ninety-two".