4426909 has 2 divisors, whose sum is σ = 4426910. Its totient is φ = 4426908.

The previous prime is 4426907. The next prime is 4426913. The reversal of 4426909 is 9096244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3161284 + 1265625 = 1778^2 + 1125^2 .

It is a cyclic number.

It is not a de Polignac number, because 4426909 - 2¹ = 4426907 is a prime.

Together with 4426907, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4426901) 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, 2213454 + 2213455.

It is an arithmetic number, because the mean of its divisors is an integer number (2213455).

Almost surely, 2^4426909 is an apocalyptic number.

It is an amenable number.

4426909 is a deficient number, since it is larger than the sum of its proper divisors (1).

4426909 is an equidigital number, since it uses as much as digits as its factorization.

4426909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 4426909 is about 2104.0221006444. The cubic root of 4426909 is about 164.1976226621.

It can be divided in two parts, 4426 and 909, that added together give a palindrome (5335).

The spelling of 4426909 in words is "four million, four hundred twenty-six thousand, nine hundred nine".