198880968 has 128 divisors (see below), whose sum is σ = 589317120. Its totient is φ = 55138560.

The previous prime is 198880951. The next prime is 198880987. The reversal of 198880968 is 869088891.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 572971 + ... + 573317.

It is an arithmetic number, because the mean of its divisors is an integer number (4604040).

Almost surely, 2^198880968 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 198880968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294658560).

198880968 is an abundant number, since it is smaller than the sum of its proper divisors (390436152).

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

198880968 is a wasteful number, since it uses less digits than its factorization.

198880968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 57.

The square root of 198880968 is about 14102.5163712013. The cubic root of 198880968 is about 583.7108172952.

The spelling of 198880968 in words is "one hundred ninety-eight million, eight hundred eighty thousand, nine hundred sixty-eight".