It is a tau number, because it is divible by the number of its divisors (8).
It is a plaindrome in base 12.
It is a nialpdrome in base 13.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 28328.
It is an unprimeable number.
28328 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
228328 is an apocalyptic number.
It is an amenable number.
28328 is a wasteful number, since it uses less digits than its factorization.
28328 is an evil number, because the sum of its binary digits is even.
The square root of 28328 is about 168.3092391998. The cubic root of 28328 is about 30.4840012842.
The spelling of 28328 in words is "twenty-eight thousand, three hundred twenty-eight".