198285 has 8 divisors (see below), whose sum is σ = 317280. Its totient is φ = 105744.

The previous prime is 198281. The next prime is 198301. The reversal of 198285 is 582891.

It is a happy number.

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

It is not a de Polignac number, because 198285 - 2² = 198281 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198285.

It is not an unprimeable number, because it can be changed into a prime (198281) 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, 6595 + ... + 6624.

It is an arithmetic number, because the mean of its divisors is an integer number (39660).

2¹⁹⁸²⁸⁵ is an apocalyptic number.

198285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198285 is a deficient number, since it is larger than the sum of its proper divisors (118995).

198285 is a wasteful number, since it uses less digits than its factorization.

198285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13227.

The product of its digits is 5760, while the sum is 33.

The square root of 198285 is about 445.2920390036. The cubic root of 198285 is about 58.3127183391.

The spelling of 198285 in words is "one hundred ninety-eight thousand, two hundred eighty-five".