198880506 has 48 divisors (see below), whose sum is σ = 471115008. Its totient is φ = 60134400.

The previous prime is 198880499. The next prime is 198880511. The reversal of 198880506 is 605088891.

198880506 is digitally balanced in base 3, 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 23 ways as a sum of consecutive naturals, for example, 126135 + ... + 127701.

It is an arithmetic number, because the mean of its divisors is an integer number (9814896).

Almost surely, 2^198880506 is an apocalyptic number.

It is a pronic number, being equal to 14102×14103.

198880506 is an abundant number, since it is smaller than the sum of its proper divisors (272234502).

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

198880506 is a wasteful number, since it uses less digits than its factorization.

198880506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227 (or 2224 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 198880506 is about 14102.4999911363. The cubic root of 198880506 is about 583.7103653086.

The spelling of 198880506 in words is "one hundred ninety-eight million, eight hundred eighty thousand, five hundred six".