198231276 has 24 divisors (see below), whose sum is σ = 463518720. Its totient is φ = 65937232.

The previous prime is 198231251. The next prime is 198231277. The reversal of 198231276 is 672132891.

198231276 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 (198231277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11496 + ... + 22991.

It is an arithmetic number, because the mean of its divisors is an integer number (19313280).

Almost surely, 2^198231276 is an apocalyptic number.

198231276 is the 11496-th pentagonal number.

It is an amenable number.

198231276 is an abundant number, since it is smaller than the sum of its proper divisors (265287444).

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

198231276 is a wasteful number, since it uses less digits than its factorization.

198231276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34973 (or 34971 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 198231276 is about 14079.4629158928. The cubic root of 198231276 is about 583.0745138252.

The spelling of 198231276 in words is "one hundred ninety-eight million, two hundred thirty-one thousand, two hundred seventy-six".