198275 has 24 divisors (see below), whose sum is σ = 309504. Its totient is φ = 122400.

The previous prime is 198259. The next prime is 198277. The reversal of 198275 is 572891.

It is not a de Polignac number, because 198275 - 2⁴ = 198259 is a prime.

It is a Duffinian number.

Its product of digits (5040) is a multiple of the sum of its prime divisors (126).

It is not an unprimeable number, because it can be changed into a prime (198277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1874 + ... + 1976.

It is an arithmetic number, because the mean of its divisors is an integer number (12896).

2¹⁹⁸²⁷⁵ is an apocalyptic number.

198275 is a deficient number, since it is larger than the sum of its proper divisors (111229).

198275 is a wasteful number, since it uses less digits than its factorization.

198275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 126 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 198275 is about 445.2808102759. The cubic root of 198275 is about 58.3117380380.

The spelling of 198275 in words is "one hundred ninety-eight thousand, two hundred seventy-five".