198130 has 8 divisors (see below), whose sum is σ = 356652. Its totient is φ = 79248.

The previous prime is 198127. The next prime is 198139. The reversal of 198130 is 31891.

198130 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 2 ways, for example, as 162409 + 35721 = 403^2 + 189^2 .

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

It is a super-3 number, since 3×198130³ = 23333074802391000, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (198139) 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, 9897 + ... + 9916.

2¹⁹⁸¹³⁰ is an apocalyptic number.

198130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198130 is a deficient number, since it is larger than the sum of its proper divisors (158522).

198130 is a wasteful number, since it uses less digits than its factorization.

198130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19820.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 198130 is about 445.1179618932. The cubic root of 198130 is about 58.2975199672.

The spelling of 198130 in words is "one hundred ninety-eight thousand, one hundred thirty".