2340009 has 20 divisors (see below), whose sum is σ = 3995904. Its totient is φ = 1336824.

The previous prime is 2340007. The next prime is 2340011. The reversal of 2340009 is 9000432.

2340009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2340007) and next prime (2340011).

It is not a de Polignac number, because 2340009 - 2¹ = 2340007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2339973 and 2340000.

It is not an unprimeable number, because it can be changed into a prime (2340001) 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 19 ways as a sum of consecutive naturals, for example, 1497 + ... + 2630.

2^2340009 is an apocalyptic number.

It is an amenable number.

2340009 is a deficient number, since it is larger than the sum of its proper divisors (1655895).

2340009 is an equidigital number, since it uses as much as digits as its factorization.

2340009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146 (or 4137 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2340009 is about 1529.7087958170. The cubic root of 2340009 is about 132.7616096329.

The spelling of 2340009 in words is "two million, three hundred forty thousand, nine".