198836992 has 36 divisors (see below), whose sum is σ = 410598720. Its totient is φ = 95986688.

The previous prime is 198836977. The next prime is 198836993. The reversal of 198836992 is 299638891.

198836992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×198836992² = 79072298775216128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (198836993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5968 + ... + 20815.

It is an arithmetic number, because the mean of its divisors is an integer number (11405520).

Almost surely, 2^198836992 is an apocalyptic number.

It is an amenable number.

198836992 is an abundant number, since it is smaller than the sum of its proper divisors (211761728).

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

198836992 is an equidigital number, since it uses as much as digits as its factorization.

198836992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26828 (or 26814 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 55.

The square root of 198836992 is about 14100.9571306348. The cubic root of 198836992 is about 583.6677912927.

The spelling of 198836992 in words is "one hundred ninety-eight million, eight hundred thirty-six thousand, nine hundred ninety-two".