28356 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a nialpdrome in base 13.
28356 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
228356 is an apocalyptic number.
28356 is the 107-th centered pentagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28356, 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.
28356 is a wasteful number, since it uses less digits than its factorization.
28356 is an evil number, because the sum of its binary digits is even.
The square root of 28356 is about 168.3923988783. The cubic root of 28356 is about 30.4940416561.
The spelling of 28356 in words is "twenty-eight thousand, three hundred fifty-six".