198496688 has 40 divisors (see below), whose sum is σ = 420035616. Its totient is φ = 90316800.

The previous prime is 198496637. The next prime is 198496699. The reversal of 198496688 is 886694891.

198496688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8048 + ... + 21488.

Almost surely, 2^198496688 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 198496688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210017808).

198496688 is an abundant number, since it is smaller than the sum of its proper divisors (221538928).

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

198496688 is a wasteful number, since it uses less digits than its factorization.

198496688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13533 (or 13527 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 59.

The square root of 198496688 is about 14088.8852646333. The cubic root of 198496688 is about 583.3346240697.

The spelling of 198496688 in words is "one hundred ninety-eight million, four hundred ninety-six thousand, six hundred eighty-eight".