3280 is nontrivially palindromic in base 3 and base 9.
It is a tau number, because it is divible by the number of its divisors (20).
3280 is a nontrivial repdigit in base 3 and base 9.
It is a plaindrome in base 3 and base 9.
It is a nialpdrome in base 3, base 8 and base 9.
It is a zygodrome in base 3 and base 9.
It is a self number, because there is not a number n which added to its sum of digits gives 3280.
It is a congruent number.
It is an unprimeable number.
23280 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3280 is a wasteful number, since it uses less digits than its factorization.
3280 is an odious number, because the sum of its binary digits is odd.
The square root of 3280 is about 57.2712842531. The cubic root of 3280 is about 14.8579176829.
The spelling of 3280 in words is "three thousand, two hundred eighty".