198333256 has 32 divisors (see below), whose sum is σ = 408667680. Its totient is φ = 89488000.

The previous prime is 198333241. The next prime is 198333259. The reversal of 198333256 is 652333891.

It is not an unprimeable number, because it can be changed into a prime (198333259) 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, 3831 + ... + 20281.

It is an arithmetic number, because the mean of its divisors is an integer number (12770865).

Almost surely, 2^198333256 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 198333256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204333840).

198333256 is an abundant number, since it is smaller than the sum of its proper divisors (210334424).

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

198333256 is a wasteful number, since it uses less digits than its factorization.

198333256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16605 (or 16601 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 198333256 is about 14083.0840372413. The cubic root of 198333256 is about 583.1744841668.

The spelling of 198333256 in words is "one hundred ninety-eight million, three hundred thirty-three thousand, two hundred fifty-six".