8686 is nontrivially palindromic in base 9.
It is a sphenic number, since it is the product of 3 distinct primes.
8686 is an undulating number in base 10.
It is a congruent number.
8686 is a gapful number since it is divisible by the number (86) formed by its first and last digit.
8686 is a wasteful number, since it uses less digits than its factorization.
8686 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146.
The square root of 8686 is about 93.1987124375. The cubic root of 8686 is about 20.5560630776.
The spelling of 8686 in words is "eight thousand, six hundred eighty-six".