198327860 has 24 divisors (see below), whose sum is σ = 422196936. Its totient is φ = 78243840.

The previous prime is 198327823. The next prime is 198327887. The reversal of 198327860 is 68723891.

198327860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 51093904 + 147233956 = 7148^2 + 12134^2 .

It is a congruent number.

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, 66461 + ... + 69380.

It is an arithmetic number, because the mean of its divisors is an integer number (17591539).

Almost surely, 2^198327860 is an apocalyptic number.

198327860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198327860 is an abundant number, since it is smaller than the sum of its proper divisors (223869076).

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

198327860 is a wasteful number, since it uses less digits than its factorization.

198327860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135923 (or 135921 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 198327860 is about 14082.8924585825. The cubic root of 198327860 is about 583.1691953612.

The spelling of 198327860 in words is "one hundred ninety-eight million, three hundred twenty-seven thousand, eight hundred sixty".