4420979 has 4 divisors (see below), whose sum is σ = 4450800. Its totient is φ = 4391160.

The previous prime is 4420903. The next prime is 4420987. The reversal of 4420979 is 9790244.

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-4420979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4420379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14687 + ... + 14984.

It is an arithmetic number, because the mean of its divisors is an integer number (1112700).

Almost surely, 2^4420979 is an apocalyptic number.

4420979 is a deficient number, since it is larger than the sum of its proper divisors (29821).

4420979 is a wasteful number, since it uses less digits than its factorization.

4420979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29820.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 4420979 is about 2102.6124226780. The cubic root of 4420979 is about 164.1242737415.

The spelling of 4420979 in words is "four million, four hundred twenty thousand, nine hundred seventy-nine".