198941184 has 280 divisors, whose sum is σ = 657465732. Its totient is φ = 59719680.

The previous prime is 198941179. The next prime is 198941201. The reversal of 198941184 is 481149891.

It can be written as a sum of positive squares in 2 ways, for example, as 156950784 + 41990400 = 12528^2 + 6480^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4852204 + ... + 4852244.

Almost surely, 2^198941184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198941184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328732866).

198941184 is an abundant number, since it is smaller than the sum of its proper divisors (458524548).

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

198941184 is an frugal number, since it uses more digits than its factorization.

198941184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 59 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 198941184 is about 14104.6511477597. The cubic root of 198941184 is about 583.7697221838.

The spelling of 198941184 in words is "one hundred ninety-eight million, nine hundred forty-one thousand, one hundred eighty-four".