198308874 has 16 divisors (see below), whose sum is σ = 397451520. Its totient is φ = 65964000.

The previous prime is 198308843. The next prime is 198308939. The reversal of 198308874 is 478803891.

198308874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31627 + ... + 37374.

It is an arithmetic number, because the mean of its divisors is an integer number (24840720).

Almost surely, 2^198308874 is an apocalyptic number.

198308874 is an abundant number, since it is smaller than the sum of its proper divisors (199142646).

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

198308874 is a wasteful number, since it uses less digits than its factorization.

198308874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69485.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 198308874 is about 14082.2183621758. The cubic root of 198308874 is about 583.1505857659.

The spelling of 198308874 in words is "one hundred ninety-eight million, three hundred eight thousand, eight hundred seventy-four".