198272888 has 16 divisors (see below), whose sum is σ = 405558360. Its totient is φ = 90124000.

The previous prime is 198272821. The next prime is 198272909. The reversal of 198272888 is 888272891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126463 + ... + 1126638.

Almost surely, 2^198272888 is an apocalyptic number.

It is an amenable number.

198272888 is an abundant number, since it is smaller than the sum of its proper divisors (207285472).

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

198272888 is a wasteful number, since it uses less digits than its factorization.

198272888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253118 (or 2253114 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 53.

The square root of 198272888 is about 14080.9405935825. The cubic root of 198272888 is about 583.1153099425.

The spelling of 198272888 in words is "one hundred ninety-eight million, two hundred seventy-two thousand, eight hundred eighty-eight".