198481194 has 12 divisors (see below), whose sum is σ = 430042626. Its totient is φ = 66160392.

The previous prime is 198481193. The next prime is 198481211. The reversal of 198481194 is 491184891.

198481194 is digitally balanced in base 2, 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 only one way, i.e., 196364169 + 2117025 = 14013^2 + 1455^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (198481193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5513349 + ... + 5513384.

Almost surely, 2^198481194 is an apocalyptic number.

198481194 is an abundant number, since it is smaller than the sum of its proper divisors (231561432).

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

198481194 is a wasteful number, since it uses less digits than its factorization.

198481194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026741 (or 11026738 counting only the distinct ones).

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

The square root of 198481194 is about 14088.3353878306. The cubic root of 198481194 is about 583.3194459460.

The spelling of 198481194 in words is "one hundred ninety-eight million, four hundred eighty-one thousand, one hundred ninety-four".