198513204 has 24 divisors (see below), whose sum is σ = 465192000. Its totient is φ = 65886144.

The previous prime is 198513193. The next prime is 198513209. The reversal of 198513204 is 402315891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198513209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32704 + ... + 38295.

It is an arithmetic number, because the mean of its divisors is an integer number (19383000).

Almost surely, 2^198513204 is an apocalyptic number.

It is an amenable number.

198513204 is an abundant number, since it is smaller than the sum of its proper divisors (266678796).

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

198513204 is a wasteful number, since it uses less digits than its factorization.

198513204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71239 (or 71237 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 198513204 is about 14089.4713882388. The cubic root of 198513204 is about 583.3508024882.

The spelling of 198513204 in words is "one hundred ninety-eight million, five hundred thirteen thousand, two hundred four".