2008709 has 2 divisors, whose sum is σ = 2008710. Its totient is φ = 2008708.

The previous prime is 2008697. The next prime is 2008717. The reversal of 2008709 is 9078002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1216609 + 792100 = 1103^2 + 890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2008709 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2008729) 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, 1004354 + 1004355.

It is an arithmetic number, because the mean of its divisors is an integer number (1004355).

2^2008709 is an apocalyptic number.

It is an amenable number.

2008709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2008709 is an equidigital number, since it uses as much as digits as its factorization.

2008709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 2008709 is about 1417.2893141487. The cubic root of 2008709 is about 126.1747177234.

The spelling of 2008709 in words is "two million, eight thousand, seven hundred nine".