198194860 has 24 divisors (see below), whose sum is σ = 416749536. Its totient is φ = 79175040.

The previous prime is 198194851. The next prime is 198194879. The reversal of 198194860 is 68491891.

198194860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 198194860.

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, 10440 + ... + 22480.

It is an arithmetic number, because the mean of its divisors is an integer number (17364564).

Almost surely, 2^198194860 is an apocalyptic number.

198194860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198194860 is an abundant number, since it is smaller than the sum of its proper divisors (218554676).

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

198194860 is a wasteful number, since it uses less digits than its factorization.

198194860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12873 (or 12871 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 198194860 is about 14078.1696253455. The cubic root of 198194860 is about 583.0388071458.

The spelling of 198194860 in words is "one hundred ninety-eight million, one hundred ninety-four thousand, eight hundred sixty".