3220490 has 32 divisors (see below), whose sum is σ = 7136640. Its totient is φ = 1018944.

The previous prime is 3220471. The next prime is 3220499. The reversal of 3220490 is 940223.

It is not an unprimeable number, because it can be changed into a prime (3220499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860 + ... + 2679.

It is an arithmetic number, because the mean of its divisors is an integer number (223020).

Almost surely, 2^3220490 is an apocalyptic number.

3220490 is an abundant number, since it is smaller than the sum of its proper divisors (3916150).

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

3220490 is a wasteful number, since it uses less digits than its factorization.

3220490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3220490 is about 1794.5723724609. The cubic root of 3220490 is about 147.6751152002.

The spelling of 3220490 in words is "three million, two hundred twenty thousand, four hundred ninety".