198019848 has 32 divisors (see below), whose sum is σ = 533131200. Its totient is φ = 60929088.

The previous prime is 198019841. The next prime is 198019849. The reversal of 198019848 is 848910891.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 198019797 and 198019806.

It is not an unprimeable number, because it can be changed into a prime (198019841) 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, 317028 + ... + 317651.

It is an arithmetic number, because the mean of its divisors is an integer number (16660350).

Almost surely, 2^198019848 is an apocalyptic number.

It is an amenable number.

198019848 is an abundant number, since it is smaller than the sum of its proper divisors (335111352).

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

198019848 is a wasteful number, since it uses less digits than its factorization.

198019848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634701 (or 634697 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 48.

The square root of 198019848 is about 14071.9525297664. The cubic root of 198019848 is about 582.8671430288.

The spelling of 198019848 in words is "one hundred ninety-eight million, nineteen thousand, eight hundred forty-eight".