198375 has 24 divisors (see below), whose sum is σ = 345072. Its totient is φ = 101200.

The previous prime is 198349. The next prime is 198377. The reversal of 198375 is 573891.

It is a de Polignac number, because none of the positive numbers 2^k-198375 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8614 + ... + 8636.

It is an arithmetic number, because the mean of its divisors is an integer number (14378).

2¹⁹⁸³⁷⁵ is an apocalyptic number.

198375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

198375 is a deficient number, since it is larger than the sum of its proper divisors (146697).

198375 is an equidigital number, since it uses as much as digits as its factorization.

198375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 31 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 198375 is about 445.3930848139. The cubic root of 198375 is about 58.3215395658.

The spelling of 198375 in words is "one hundred ninety-eight thousand, three hundred seventy-five".