33280 divided by its sum of digits (16) gives a triangular number (2080 = T64).
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a nialpdrome in base 16.
33280 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
233280 is an apocalyptic number.
33280 is a droll number since its even prime factors and its odd prime factors have the same sum.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 33280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33280 is an equidigital number, since it uses as much as digits as its factorization.
33280 is an evil number, because the sum of its binary digits is even.
The square root of 33280 is about 182.4280680159. The cubic root of 33280 is about 32.1658060687.
The spelling of 33280 in words is "thirty-three thousand, two hundred eighty".