It is a happy number.
It is a zygodrome in base 2.
It is a congruent number.
117856 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2117856 is an apocalyptic number.
117856 is a gapful number since it is divisible by the number (16) 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 117856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
117856 is a wasteful number, since it uses less digits than its factorization.
117856 is an odious number, because the sum of its binary digits is odd.
The square root of 117856 is about 343.3016166580. The cubic root of 117856 is about 49.0287211877.
The spelling of 117856 in words is "one hundred seventeen thousand, eight hundred fifty-six".