199885 has 8 divisors (see below), whose sum is σ = 274176. Its totient is φ = 137040.

The previous prime is 199877. The next prime is 199889. The reversal of 199885 is 588991.

199885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 199885 - 2³ = 199877 is a prime.

199885 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2821 + ... + 2890.

It is an arithmetic number, because the mean of its divisors is an integer number (34272).

2¹⁹⁹⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

199885 is a deficient number, since it is larger than the sum of its proper divisors (74291).

199885 is an equidigital number, since it uses as much as digits as its factorization.

199885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723.

The product of its digits is 25920, while the sum is 40.

The square root of 199885 is about 447.0850031034. The cubic root of 199885 is about 58.4691438806.

The spelling of 199885 in words is "one hundred ninety-nine thousand, eight hundred eighty-five".