34040009 has 2 divisors, whose sum is σ = 34040010. Its totient is φ = 34040008.

The previous prime is 34040003. The next prime is 34040057. The reversal of 34040009 is 90004043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24255625 + 9784384 = 4925^2 + 3128^2 .

It is an emirp because it is prime and its reverse (90004043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34040009 - 2²⁴ = 17262793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34040003) 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, 17020004 + 17020005.

It is an arithmetic number, because the mean of its divisors is an integer number (17020005).

Almost surely, 2^34040009 is an apocalyptic number.

It is an amenable number.

34040009 is a deficient number, since it is larger than the sum of its proper divisors (1).

34040009 is an equidigital number, since it uses as much as digits as its factorization.

34040009 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 34040009 is about 5834.3816296159. The cubic root of 34040009 is about 324.0882025017.

The spelling of 34040009 in words is "thirty-four million, forty thousand, nine".