3688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (8).
It is a plaindrome in base 10 and base 15.
It is an unprimeable number.
23688 is an apocalyptic number.
It is an amenable number.
3688 is a wasteful number, since it uses less digits than its factorization.
3688 is an evil number, because the sum of its binary digits is even.
The square root of 3688 is about 60.7289058028. The cubic root of 3688 is about 15.4500647596.
Subtracting from 3688 its sum of digits (25), we obtain a palindrome (3663).
The spelling of 3688 in words is "three thousand, six hundred eighty-eight".