198946572 has 24 divisors (see below), whose sum is σ = 506409792. Its totient is φ = 60286800.

The previous prime is 198946547. The next prime is 198946589. The reversal of 198946572 is 275649891.

It is an unprimeable number.

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, 753454 + ... + 753717.

It is an arithmetic number, because the mean of its divisors is an integer number (21100408).

Almost surely, 2^198946572 is an apocalyptic number.

198946572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198946572 is an abundant number, since it is smaller than the sum of its proper divisors (307463220).

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

198946572 is a wasteful number, since it uses less digits than its factorization.

198946572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507189 (or 1507187 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 198946572 is about 14104.8421472911. The cubic root of 198946572 is about 583.7749922890.

The spelling of 198946572 in words is "one hundred ninety-eight million, nine hundred forty-six thousand, five hundred seventy-two".