3668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
3668 is an admirable number.
It is a plaindrome in base 10 and base 15.
It is a nialpdrome in base 4 and base 16.
It is a congruent number.
It is an unprimeable number.
23668 is an apocalyptic number.
It is an amenable number.
3668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3668 is a wasteful number, since it uses less digits than its factorization.
3668 is an evil number, because the sum of its binary digits is even.
The square root of 3668 is about 60.5640157189. The cubic root of 3668 is about 15.4220855879.
The spelling of 3668 in words is "three thousand, six hundred sixty-eight".