3220360 has 64 divisors (see below), whose sum is σ = 8527680. Its totient is φ = 1079040.

The previous prime is 3220351. The next prime is 3220381. The reversal of 3220360 is 630223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5439 + ... + 6001.

It is an arithmetic number, because the mean of its divisors is an integer number (133245).

Almost surely, 2^3220360 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 3220360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4263840).

3220360 is an abundant number, since it is smaller than the sum of its proper divisors (5307320).

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

3220360 is a wasteful number, since it uses less digits than its factorization.

3220360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3220360 is about 1794.5361517674. The cubic root of 3220360 is about 147.6731281295.

Adding to 3220360 its reverse (630223), we get a palindrome (3850583).

The spelling of 3220360 in words is "three million, two hundred twenty thousand, three hundred sixty".