2008109 has 4 divisors (see below), whose sum is σ = 2018400. Its totient is φ = 1997820.

The previous prime is 2008103. The next prime is 2008121. The reversal of 2008109 is 9018002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2008109 - 2²⁰ = 959533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2008103) 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 in 3 ways as a sum of consecutive naturals, for example, 4847 + ... + 5244.

It is an arithmetic number, because the mean of its divisors is an integer number (504600).

2^2008109 is an apocalyptic number.

It is an amenable number.

2008109 is a deficient number, since it is larger than the sum of its proper divisors (10291).

2008109 is a wasteful number, since it uses less digits than its factorization.

2008109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10290.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 2008109 is about 1417.0776266669. The cubic root of 2008109 is about 126.1621537052.

The spelling of 2008109 in words is "two million, eight thousand, one hundred nine".