3280280 has 16 divisors (see below), whose sum is σ = 7380720. Its totient is φ = 1312096.

The previous prime is 3280279. The next prime is 3280289. The reversal of 3280280 is 820823.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3280289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40964 + ... + 41043.

It is an arithmetic number, because the mean of its divisors is an integer number (461295).

Almost surely, 2^3280280 is an apocalyptic number.

It is an amenable number.

3280280 is an abundant number, since it is smaller than the sum of its proper divisors (4100440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3280280 is a wasteful number, since it uses less digits than its factorization.

3280280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82018 (or 82014 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 3280280 is about 1811.1543280461. The cubic root of 3280280 is about 148.5834045714.

The spelling of 3280280 in words is "three million, two hundred eighty thousand, two hundred eighty".