198806256 has 60 divisors (see below), whose sum is σ = 606966360. Its totient is φ = 60243840.

The previous prime is 198806249. The next prime is 198806263. The reversal of 198806256 is 652608891.

198806256 is a `hidden beast` number, since 19 + 8 + 8 + 0 + 625 + 6 = 666.

198806256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (198806249) and next prime (198806263).

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, 61171 + ... + 64338.

It is an arithmetic number, because the mean of its divisors is an integer number (10116106).

Almost surely, 2^198806256 is an apocalyptic number.

198806256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

198806256 is an abundant number, since it is smaller than the sum of its proper divisors (408160104).

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

198806256 is a wasteful number, since it uses less digits than its factorization.

198806256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125534 (or 125525 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 198806256 is about 14099.8672334175. The cubic root of 198806256 is about 583.6377155046.

The spelling of 198806256 in words is "one hundred ninety-eight million, eight hundred six thousand, two hundred fifty-six".