989604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a zygodrome in base 6.
It is a congruent number.
It is an unprimeable number.
2989604 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 989604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
989604 is a wasteful number, since it uses less digits than its factorization.
989604 is an evil number, because the sum of its binary digits is even.
The square root of 989604 is about 994.7884197155. The cubic root of 989604 is about 99.6522588291.
The spelling of 989604 in words is "nine hundred eighty-nine thousand, six hundred four".