198560856 has 64 divisors (see below), whose sum is σ = 543402720. Its totient is φ = 60088320.

The previous prime is 198560839. The next prime is 198560893. The reversal of 198560856 is 658065891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13816 + ... + 24248.

Almost surely, 2^198560856 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 198560856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271701360).

198560856 is an abundant number, since it is smaller than the sum of its proper divisors (344841864).

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

198560856 is a wasteful number, since it uses less digits than its factorization.

198560856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10516 (or 10512 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 48.

The square root of 198560856 is about 14091.1623367272. The cubic root of 198560856 is about 583.3974754683.

The spelling of 198560856 in words is "one hundred ninety-eight million, five hundred sixty thousand, eight hundred fifty-six".