198465992 has 16 divisors (see below), whose sum is σ = 372481200. Its totient is φ = 99137680.

The previous prime is 198465991. The next prime is 198465997. The reversal of 198465992 is 299564891.

198465992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (198465991) 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, 2642 + ... + 20097.

It is an arithmetic number, because the mean of its divisors is an integer number (23280075).

Almost surely, 2^198465992 is an apocalyptic number.

It is an amenable number.

198465992 is a deficient number, since it is larger than the sum of its proper divisors (174015208).

198465992 is a wasteful number, since it uses less digits than its factorization.

198465992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23836 (or 23832 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 53.

The square root of 198465992 is about 14087.7958531489. The cubic root of 198465992 is about 583.3045531016.

It can be divided in two parts, 1984 and 65992, that added together give a palindrome (67976).

The spelling of 198465992 in words is "one hundred ninety-eight million, four hundred sixty-five thousand, nine hundred ninety-two".