198919196 has 12 divisors (see below), whose sum is σ = 397838448. Its totient is φ = 85251072.

The previous prime is 198919187. The next prime is 198919213. The reversal of 198919196 is 691919891.

198919196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

198919196 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3552101 + ... + 3552156.

It is an arithmetic number, because the mean of its divisors is an integer number (33153204).

Almost surely, 2^198919196 is an apocalyptic number.

It is an amenable number.

198919196 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

198919196 is a wasteful number, since it uses less digits than its factorization.

198919196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7104268 (or 7104266 counting only the distinct ones).

The product of its digits is 314928, while the sum is 53.

The square root of 198919196 is about 14103.8716670282. The cubic root of 198919196 is about 583.7482143168.

The spelling of 198919196 in words is "one hundred ninety-eight million, nine hundred nineteen thousand, one hundred ninety-six".