4404809 has 2 divisors, whose sum is σ = 4404810. Its totient is φ = 4404808.

The previous prime is 4404797. The next prime is 4404811. The reversal of 4404809 is 9084044.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4182025 + 222784 = 2045^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 4404809 - 2⁸ = 4404553 is a prime.

Together with 4404811, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4404859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202404 + 2202405.

It is an arithmetic number, because the mean of its divisors is an integer number (2202405).

Almost surely, 2^4404809 is an apocalyptic number.

It is an amenable number.

4404809 is a deficient number, since it is larger than the sum of its proper divisors (1).

4404809 is an equidigital number, since it uses as much as digits as its factorization.

4404809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 4404809 is about 2098.7636836957. The cubic root of 4404809 is about 163.9239311111.

The spelling of 4404809 in words is "four million, four hundred four thousand, eight hundred nine".