9686 has 8 divisors (see below), whose sum is σ = 15120. Its totient is φ = 4648.

The previous prime is 9679. The next prime is 9689. The reversal of 9686 is 6869.

9686 is nontrivially palindromic in base 4.

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9689) by changing a digit.

9686 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26 + ... + 141.

It is an arithmetic number, because the mean of its divisors is an integer number (1890).

2⁹⁶⁸⁶ is an apocalyptic number.

9686 is a deficient number, since it is larger than the sum of its proper divisors (5434).

9686 is a wasteful number, since it uses less digits than its factorization.

9686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198.

The product of its digits is 2592, while the sum is 29.

The square root of 9686 is about 98.4174781225. The cubic root of 9686 is about 21.3164471409.

It can be divided in two parts, 96 and 86, that multiplied together give a triangular number (8256 = T₁₂₈).

The spelling of 9686 in words is "nine thousand, six hundred eighty-six".