776256 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2776256 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 776256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1109472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
776256 is a wasteful number, since it uses less digits than its factorization.
776256 is an evil number, because the sum of its binary digits is even.
The square root of 776256 is about 881.0539143548. The cubic root of 776256 is about 91.9041219172.
The spelling of 776256 in words is "seven hundred seventy-six thousand, two hundred fifty-six".