It is a happy number.
8990 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.
8990 is an undulating number in base 12.
8990 is strictly pandigital in base 6.
It is a Curzon number.
It is a zygodrome in base 3.
It is a congruent number.
8990 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
28990 is an apocalyptic number.
8990 is a wasteful number, since it uses less digits than its factorization.
8990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67.
The square root of 8990 is about 94.8156105291. The cubic root of 8990 is about 20.7931313613.
The spelling of 8990 in words is "eight thousand, nine hundred ninety".