198840328 has 32 divisors (see below), whose sum is σ = 379719360. Its totient is φ = 97594560.

The previous prime is 198840319. The next prime is 198840349. The reversal of 198840328 is 823048891.

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, 160126 + ... + 161362.

It is an arithmetic number, because the mean of its divisors is an integer number (11866230).

Almost surely, 2^198840328 is an apocalyptic number.

It is an amenable number.

198840328 is a deficient number, since it is larger than the sum of its proper divisors (180879032).

198840328 is a wasteful number, since it uses less digits than its factorization.

198840328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 198840328 is about 14101.0754199813. The cubic root of 198840328 is about 583.6710554486.

The spelling of 198840328 in words is "one hundred ninety-eight million, eight hundred forty thousand, three hundred twenty-eight".