198795 has 16 divisors (see below), whose sum is σ = 329760. Its totient is φ = 102144.

The previous prime is 198769. The next prime is 198811. The reversal of 198795 is 597891.

It is a happy number.

It is not a de Polignac number, because 198795 - 2¹⁵ = 166027 is a prime.

198795 is a lucky number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 207 + ... + 663.

It is an arithmetic number, because the mean of its divisors is an integer number (20610).

2¹⁹⁸⁷⁹⁵ is an apocalyptic number.

198795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

198795 is a deficient number, since it is larger than the sum of its proper divisors (130965).

198795 is a wasteful number, since it uses less digits than its factorization.

198795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494.

The product of its digits is 22680, while the sum is 39.

The square root of 198795 is about 445.8643291406. The cubic root of 198795 is about 58.3626700509.

The spelling of 198795 in words is "one hundred ninety-eight thousand, seven hundred ninety-five".