198264856 has 16 divisors (see below), whose sum is σ = 371910600. Its totient is φ = 99088704.

The previous prime is 198264841. The next prime is 198264877. The reversal of 198264856 is 658462891.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21811 + ... + 29533.

Almost surely, 2^198264856 is an apocalyptic number.

It is an amenable number.

198264856 is a deficient number, since it is larger than the sum of its proper divisors (173645744).

198264856 is a wasteful number, since it uses less digits than its factorization.

198264856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10938 (or 10934 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The square root of 198264856 is about 14080.6553824742. The cubic root of 198264856 is about 583.1074358697.

The spelling of 198264856 in words is "one hundred ninety-eight million, two hundred sixty-four thousand, eight hundred fifty-six".