198641196 has 72 divisors (see below), whose sum is σ = 542571120. Its totient is φ = 60914304.

The previous prime is 198641137. The next prime is 198641221. The reversal of 198641196 is 691146891.

198641196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195586 + ... + 196598.

It is an arithmetic number, because the mean of its divisors is an integer number (7535710).

Almost surely, 2^198641196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198641196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271285560).

198641196 is an abundant number, since it is smaller than the sum of its proper divisors (343929924).

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

198641196 is a wasteful number, since it uses less digits than its factorization.

198641196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1450 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 198641196 is about 14094.0127713863. The cubic root of 198641196 is about 583.4761479622.

The spelling of 198641196 in words is "one hundred ninety-eight million, six hundred forty-one thousand, one hundred ninety-six".