4404689 has 2 divisors, whose sum is σ = 4404690. Its totient is φ = 4404688.

The previous prime is 4404679. The next prime is 4404691. The reversal of 4404689 is 9864044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4068289 + 336400 = 2017^2 + 580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4404689 is a prime.

It is a Sophie Germain prime.

Together with 4404691, 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 (4404679) 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 as a sum of consecutive naturals, namely, 2202344 + 2202345.

It is an arithmetic number, because the mean of its divisors is an integer number (2202345).

Almost surely, 2^4404689 is an apocalyptic number.

It is an amenable number.

4404689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4404689 is an equidigital number, since it uses as much as digits as its factorization.

4404689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 4404689 is about 2098.7350952419. The cubic root of 4404689 is about 163.9224425070.

The spelling of 4404689 in words is "four million, four hundred four thousand, six hundred eighty-nine".