198927140 has 12 divisors (see below), whose sum is σ = 417747036. Its totient is φ = 79570848.

The previous prime is 198927139. The next prime is 198927163. The reversal of 198927140 is 41729891.

It can be written as a sum of positive squares in 2 ways, for example, as 30758116 + 168169024 = 5546^2 + 12968^2 .

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, 4973159 + ... + 4973198.

It is an arithmetic number, because the mean of its divisors is an integer number (34812253).

Almost surely, 2^198927140 is an apocalyptic number.

198927140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198927140 is an abundant number, since it is smaller than the sum of its proper divisors (218819896).

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

198927140 is a wasteful number, since it uses less digits than its factorization.

198927140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9946366 (or 9946364 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 198927140 is about 14104.1532890138. The cubic root of 198927140 is about 583.7559850334.

The spelling of 198927140 in words is "one hundred ninety-eight million, nine hundred twenty-seven thousand, one hundred forty".