4426309 has 2 divisors, whose sum is σ = 4426310. Its totient is φ = 4426308.

The previous prime is 4426283. The next prime is 4426313. The reversal of 4426309 is 9036244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4397409 + 28900 = 2097^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 4426309 - 2⁵ = 4426277 is a prime.

It is a super-2 number, since 2×4426309² = 39184422726962, which contains 22 as substring.

4426309 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4426349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2213154 + 2213155.

It is an arithmetic number, because the mean of its divisors is an integer number (2213155).

Almost surely, 2^4426309 is an apocalyptic number.

It is an amenable number.

4426309 is a deficient number, since it is larger than the sum of its proper divisors (1).

4426309 is an equidigital number, since it uses as much as digits as its factorization.

4426309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 4426309 is about 2103.8795117592. The cubic root of 4426309 is about 164.1902041658.

The spelling of 4426309 in words is "four million, four hundred twenty-six thousand, three hundred nine".