4420891 has 2 divisors, whose sum is σ = 4420892. Its totient is φ = 4420890.

The previous prime is 4420859. The next prime is 4420903. The reversal of 4420891 is 1980244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4420891 - 2⁵ = 4420859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4420831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210445 + 2210446.

It is an arithmetic number, because the mean of its divisors is an integer number (2210446).

Almost surely, 2^4420891 is an apocalyptic number.

4420891 is a deficient number, since it is larger than the sum of its proper divisors (1).

4420891 is an equidigital number, since it uses as much as digits as its factorization.

4420891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 4420891 is about 2102.5914962256. The cubic root of 4420891 is about 164.1231847646.

The spelling of 4420891 in words is "four million, four hundred twenty thousand, eight hundred ninety-one".