198031896 has 48 divisors (see below), whose sum is σ = 539153160. Its totient is φ = 65664000.

The previous prime is 198031871. The next prime is 198031913. The reversal of 198031896 is 698130891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6771 + ... + 21021.

Almost surely, 2^198031896 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 198031896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269576580).

198031896 is an abundant number, since it is smaller than the sum of its proper divisors (341121264).

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

198031896 is a wasteful number, since it uses less digits than its factorization.

198031896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14456 (or 14449 counting only the distinct ones).

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

The square root of 198031896 is about 14072.3806088380. The cubic root of 198031896 is about 582.8789637983.

The spelling of 198031896 in words is "one hundred ninety-eight million, thirty-one thousand, eight hundred ninety-six".