198098 has 8 divisors (see below), whose sum is σ = 305292. Its totient is φ = 96336.

The previous prime is 198097. The next prime is 198109. The reversal of 198098 is 890891.

It is a happy number.

198098 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 2 ways, for example, as 196249 + 1849 = 443^2 + 43^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198098.

It is not an unprimeable number, because it can be changed into a prime (198091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265 + ... + 1412.

2¹⁹⁸⁰⁹⁸ is an apocalyptic number.

198098 is a deficient number, since it is larger than the sum of its proper divisors (107194).

198098 is a wasteful number, since it uses less digits than its factorization.

198098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 198098 is about 445.0820149141. The cubic root of 198098 is about 58.2943812518.

The spelling of 198098 in words is "one hundred ninety-eight thousand, ninety-eight".