198553272 has 32 divisors (see below), whose sum is σ = 496903680. Its totient is φ = 66115040.

The previous prime is 198553261. The next prime is 198553279. The reversal of 198553272 is 272355891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198553279) by changing a digit.

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, 22393 + ... + 29975.

It is an arithmetic number, because the mean of its divisors is an integer number (15528240).

Almost surely, 2^198553272 is an apocalyptic number.

198553272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198553272 is an abundant number, since it is smaller than the sum of its proper divisors (298350408).

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

198553272 is a wasteful number, since it uses less digits than its factorization.

198553272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8683 (or 8679 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 198553272 is about 14090.8932293166. The cubic root of 198553272 is about 583.3900477828.

The spelling of 198553272 in words is "one hundred ninety-eight million, five hundred fifty-three thousand, two hundred seventy-two".