3220379 has 4 divisors (see below), whose sum is σ = 3250584. Its totient is φ = 3190176.

The previous prime is 3220351. The next prime is 3220381. The reversal of 3220379 is 9730223.

3220379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14942 + ... + 15155.

It is an arithmetic number, because the mean of its divisors is an integer number (812646).

Almost surely, 2^3220379 is an apocalyptic number.

3220379 is a deficient number, since it is larger than the sum of its proper divisors (30205).

3220379 is a wasteful number, since it uses less digits than its factorization.

3220379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30204.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 3220379 is about 1794.5414456066. The cubic root of 3220379 is about 147.6734185509.

The spelling of 3220379 in words is "three million, two hundred twenty thousand, three hundred seventy-nine".