198011196 has 24 divisors (see below), whose sum is σ = 513362640. Its totient is φ = 66003696.

The previous prime is 198011183. The next prime is 198011213. The reversal of 198011196 is 691110891.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 198011196.

It is a congruent number.

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, 916611 + ... + 916826.

It is an arithmetic number, because the mean of its divisors is an integer number (21390110).

Almost surely, 2^198011196 is an apocalyptic number.

It is an amenable number.

198011196 is an abundant number, since it is smaller than the sum of its proper divisors (315351444).

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

198011196 is a wasteful number, since it uses less digits than its factorization.

198011196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833450 (or 1833442 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 36.

The square root of 198011196 is about 14071.6451063833. The cubic root of 198011196 is about 582.8586539135.

The spelling of 198011196 in words is "one hundred ninety-eight million, eleven thousand, one hundred ninety-six".