985500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a nialpdrome in base 10.
It is a congruent number.
It is an unprimeable number.
2985500 is an apocalyptic number.
985500 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 985500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
985500 is a wasteful number, since it uses less digits than its factorization.
985500 is an evil number, because the sum of its binary digits is even.
The square root of 985500 is about 992.7235264665. The cubic root of 985500 is about 99.5143115530.
The spelling of 985500 in words is "nine hundred eighty-five thousand, five hundred".