3220680 has 32 divisors (see below), whose sum is σ = 9662400. Its totient is φ = 858816.

The previous prime is 3220669. The next prime is 3220681. The reversal of 3220680 is 860223.

It is not an unprimeable number, because it can be changed into a prime (3220681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13300 + ... + 13539.

It is an arithmetic number, because the mean of its divisors is an integer number (301950).

Almost surely, 2^3220680 is an apocalyptic number.

3220680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3220680 is an abundant number, since it is smaller than the sum of its proper divisors (6441720).

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

3220680 is a wasteful number, since it uses less digits than its factorization.

3220680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26853 (or 26849 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3220680 is about 1794.6253090827. The cubic root of 3220680 is about 147.6780192841.

The spelling of 3220680 in words is "three million, two hundred twenty thousand, six hundred eighty".