Subtracting from 28800 its sum of digits (18), we obtain a palindrome (28782).
Multipling 28800 by its sum of digits (18), we get a square (518400 = 7202).
28800 divided by its sum of digits (18) gives a square (1600 = 402).
Multipling 28800 by its product of nonzero digits (128), we get a square (3686400 = 19202).
28800 divided by its product of nonzero digits (128) gives a square (225 = 152).
Multipling 28800 by its reverse (882), we get a square (25401600 = 50402).
It is a Jordan-Polya number, since it can be written as (5!)2 ⋅ 2!.
It is a tau number, because it is divible by the number of its divisors (72).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=120.
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 15.
It is a zygodrome in base 15.
28800 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
228800 is an apocalyptic number.
28800 is a gapful number since it is divisible by the number (20) 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 28800
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28800 is a wasteful number, since it uses less digits than its factorization.
28800 is an evil number, because the sum of its binary digits is even.
The square root of 28800 is about 169.7056274848. The cubic root of 28800 is about 30.6523772957.
The spelling of 28800 in words is "twenty-eight thousand, eight hundred".