3000009 has 4 divisors (see below), whose sum is σ = 4000016. Its totient is φ = 2000004.

The previous prime is 2999999. The next prime is 3000017. The reversal of 3000009 is 9000003.

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 not a de Polignac number, because 3000009 - 2¹⁵ = 2967241 is a prime.

It is a D-number.

It is a Duffinian number.

3000009 is a modest number, since divided by 9 gives 3 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2999958 and 3000003.

It is not an unprimeable number, because it can be changed into a prime (3000029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499999 + ... + 500004.

It is an arithmetic number, because the mean of its divisors is an integer number (1000004).

Almost surely, 2^3000009 is an apocalyptic number.

It is an amenable number.

3000009 is a deficient number, since it is larger than the sum of its proper divisors (1000007).

3000009 is a wasteful number, since it uses less digits than its factorization.

3000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000006.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 3000009 is about 1732.0534056431. The cubic root of 3000009 is about 144.2251012556.

The spelling of 3000009 in words is "three million, nine", and thus it is an aban number and an uban number.