198339 has 8 divisors (see below), whose sum is σ = 280080. Its totient is φ = 124416.

The previous prime is 198337. The next prime is 198347. The reversal of 198339 is 933891.

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

It is not a de Polignac number, because 198339 - 2¹ = 198337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198337) 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, 1894 + ... + 1995.

It is an arithmetic number, because the mean of its divisors is an integer number (35010).

2¹⁹⁸³³⁹ is an apocalyptic number.

198339 is a deficient number, since it is larger than the sum of its proper divisors (81741).

198339 is a wasteful number, since it uses less digits than its factorization.

198339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909.

The product of its digits is 5832, while the sum is 33.

The square root of 198339 is about 445.3526692409. The cubic root of 198339 is about 58.3180113954.

The spelling of 198339 in words is "one hundred ninety-eight thousand, three hundred thirty-nine".