199317 has 12 divisors (see below), whose sum is σ = 278720. Its totient is φ = 126672.

The previous prime is 199313. The next prime is 199321. The reversal of 199317 is 713991.

It is an interprime number because it is at equal distance from previous prime (199313) and next prime (199321).

It is not a de Polignac number, because 199317 - 2² = 199313 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2484 + ... + 2562.

2¹⁹⁹³¹⁷ is an apocalyptic number.

It is an amenable number.

199317 is a deficient number, since it is larger than the sum of its proper divisors (79403).

199317 is an equidigital number, since it uses as much as digits as its factorization.

199317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 111 counting only the distinct ones).

The product of its digits is 1701, while the sum is 30.

The square root of 199317 is about 446.4493252319. The cubic root of 199317 is about 58.4137087040.

The spelling of 199317 in words is "one hundred ninety-nine thousand, three hundred seventeen".