4408889 has 2 divisors, whose sum is σ = 4408890. Its totient is φ = 4408888.

The previous prime is 4408867. The next prime is 4408891. The reversal of 4408889 is 9888044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3736489 + 672400 = 1933^2 + 820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4408889 is a prime.

It is a Sophie Germain prime.

Together with 4408891, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4408849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2204444 + 2204445.

It is an arithmetic number, because the mean of its divisors is an integer number (2204445).

Almost surely, 2^4408889 is an apocalyptic number.

It is an amenable number.

4408889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4408889 is an equidigital number, since it uses as much as digits as its factorization.

4408889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 4408889 is about 2099.7354595282. The cubic root of 4408889 is about 163.9745275727.

The spelling of 4408889 in words is "four million, four hundred eight thousand, eight hundred eighty-nine".