9717 has 8 divisors (see below), whose sum is σ = 13440. Its totient is φ = 6240.

The previous prime is 9697. The next prime is 9719. The reversal of 9717 is 7179.

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

It is not a de Polignac number, because 9717 - 2⁸ = 9461 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9719) 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, 84 + ... + 162.

It is an arithmetic number, because the mean of its divisors is an integer number (1680).

2⁹⁷¹⁷ is an apocalyptic number.

It is an amenable number.

9717 is a deficient number, since it is larger than the sum of its proper divisors (3723).

9717 is a wasteful number, since it uses less digits than its factorization.

9717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123.

The product of its digits is 441, while the sum is 24.

The square root of 9717 is about 98.5748446613. The cubic root of 9717 is about 21.3391639879.

The spelling of 9717 in words is "nine thousand, seven hundred seventeen".