198940092 has 48 divisors (see below), whose sum is σ = 500801952. Its totient is φ = 61102080.

The previous prime is 198940081. The next prime is 198940097. The reversal of 198940092 is 290049891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198940097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145492 + ... + 146852.

It is an arithmetic number, because the mean of its divisors is an integer number (10433374).

Almost surely, 2^198940092 is an apocalyptic number.

198940092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198940092 is an abundant number, since it is smaller than the sum of its proper divisors (301861860).

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

198940092 is a wasteful number, since it uses less digits than its factorization.

198940092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318 (or 2316 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 198940092 is about 14104.6124370718. The cubic root of 198940092 is about 583.7686540663.

The spelling of 198940092 in words is "one hundred ninety-eight million, nine hundred forty thousand, ninety-two".