198317 has 8 divisors (see below), whose sum is σ = 232512. Its totient is φ = 165600.

The previous prime is 198313. The next prime is 198323. The reversal of 198317 is 713891.

198317 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 a cyclic number.

It is not a de Polignac number, because 198317 - 2² = 198313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198317.

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 198317.

It is not an unprimeable number, because it can be changed into a prime (198313) 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, 59 + ... + 632.

It is an arithmetic number, because the mean of its divisors is an integer number (29064).

2¹⁹⁸³¹⁷ is an apocalyptic number.

It is an amenable number.

198317 is a deficient number, since it is larger than the sum of its proper divisors (34195).

198317 is an equidigital number, since it uses as much as digits as its factorization.

198317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739.

The product of its digits is 1512, while the sum is 29.

The square root of 198317 is about 445.3279690296. The cubic root of 198317 is about 58.3158550810.

It can be divided in two parts, 198 and 317, that added together give a palindrome (515).

The spelling of 198317 in words is "one hundred ninety-eight thousand, three hundred seventeen".