3309009 has 16 divisors (see below), whose sum is σ = 4847040. Its totient is φ = 1991360.

The previous prime is 3309001. The next prime is 3309011. The reversal of 3309009 is 9009033.

It is a cyclic number.

It is not a de Polignac number, because 3309009 - 2³ = 3309001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3309009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3309001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6247 + ... + 6755.

It is an arithmetic number, because the mean of its divisors is an integer number (302940).

Almost surely, 2^3309009 is an apocalyptic number.

It is an amenable number.

3309009 is a deficient number, since it is larger than the sum of its proper divisors (1538031).

3309009 is a wasteful number, since it uses less digits than its factorization.

3309009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720.

The product of its (nonzero) digits is 729, while the sum is 24.

The square root of 3309009 is about 1819.0681680465. The cubic root of 3309009 is about 149.0159134994.

Adding to 3309009 its sum of digits (24), we get a palindrome (3309033).

It can be divided in two parts, 330 and 9009, that added together give a palindrome (9339).

The spelling of 3309009 in words is "three million, three hundred nine thousand, nine".