198248986 has 16 divisors (see below), whose sum is σ = 324110304. Its totient is φ = 90396144.

The previous prime is 198248971. The next prime is 198249011. The reversal of 198248986 is 689842891.

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, 43776 + ... + 48091.

It is an arithmetic number, because the mean of its divisors is an integer number (20256894).

Almost surely, 2^198248986 is an apocalyptic number.

198248986 is a deficient number, since it is larger than the sum of its proper divisors (125861318).

198248986 is a wasteful number, since it uses less digits than its factorization.

198248986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91965.

The product of its digits is 1990656, while the sum is 55.

The square root of 198248986 is about 14080.0918320869. The cubic root of 198248986 is about 583.0918772846.

The spelling of 198248986 in words is "one hundred ninety-eight million, two hundred forty-eight thousand, nine hundred eighty-six".