The square root of 8649 is 93.
8649 is digitally balanced in base 3, 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 (9).
It is a Curzon number.
It is a nialpdrome in base 11.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 8649.
28649 is an apocalyptic number.
8649 is the 93-rd square number.
8649 is the 47-th centered octagonal number.
It is an amenable number.
8649 is a wasteful number, since it uses less digits than its factorization.
8649 is an evil number, because the sum of its binary digits is even.
The cubic root of 8649 is about 20.5268337874.
The spelling of 8649 in words is "eight thousand, six hundred forty-nine".