198249152 has 28 divisors (see below), whose sum is σ = 398151096. Its totient is φ = 97927680.

The previous prime is 198249131. The next prime is 198249169. The reversal of 198249152 is 251942891.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13349 + ... + 23972.

It is an arithmetic number, because the mean of its divisors is an integer number (14219682).

Almost surely, 2^198249152 is an apocalyptic number.

It is an amenable number.

198249152 is an abundant number, since it is smaller than the sum of its proper divisors (199901944).

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

198249152 is an equidigital number, since it uses as much as digits as its factorization.

198249152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37416 (or 37406 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 198249152 is about 14080.0977269336. The cubic root of 198249152 is about 583.0920400315.

The spelling of 198249152 in words is "one hundred ninety-eight million, two hundred forty-nine thousand, one hundred fifty-two".