28782 is nontrivially palindromic in base 10.
28782 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
28782 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
228782 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28782 is a wasteful number, since it uses less digits than its factorization.
28782 is an evil number, because the sum of its binary digits is even.
The square root of 28782 is about 169.6525861872. The cubic root of 28782 is about 30.6459900529.
The spelling of 28782 in words is "twenty-eight thousand, seven hundred eighty-two".