4340009 has 2 divisors, whose sum is σ = 4340010. Its totient is φ = 4340008.

The previous prime is 4340003. The next prime is 4340057. The reversal of 4340009 is 9000434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 1968409 = 1540^2 + 1403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4340009 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (4340003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2170004 + 2170005.

It is an arithmetic number, because the mean of its divisors is an integer number (2170005).

Almost surely, 2^4340009 is an apocalyptic number.

It is an amenable number.

4340009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4340009 is an equidigital number, since it uses as much as digits as its factorization.

4340009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4340009 is about 2083.2688256680. The cubic root of 4340009 is about 163.1161178450.

The spelling of 4340009 in words is "four million, three hundred forty thousand, nine".