4420859 has 2 divisors, whose sum is σ = 4420860. Its totient is φ = 4420858.

The previous prime is 4420849. The next prime is 4420891. The reversal of 4420859 is 9580244.

It is an a-pointer prime, because the next prime (4420891) can be obtained adding 4420859 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4420859 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4420849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210429 + 2210430.

It is an arithmetic number, because the mean of its divisors is an integer number (2210430).

Almost surely, 2^4420859 is an apocalyptic number.

4420859 is a deficient number, since it is larger than the sum of its proper divisors (1).

4420859 is an equidigital number, since it uses as much as digits as its factorization.

4420859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 4420859 is about 2102.5838865548. The cubic root of 4420859 is about 164.1227887694.

The spelling of 4420859 in words is "four million, four hundred twenty thousand, eight hundred fifty-nine".