It is a tau number, because it is divible by the number of its divisors (32).
It is an alternating number because its digits alternate between odd and even.
It is a plaindrome in base 6.
It is a zygodrome in base 6.
It is a congruent number.
9856 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
29856 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 9856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9856 is a wasteful number, since it uses less digits than its factorization.
9856 is an evil number, because the sum of its binary digits is even.
The square root of 9856 is about 99.2773891679. The cubic root of 9856 is about 21.4404336439.
The spelling of 9856 in words is "nine thousand, eight hundred fifty-six".