2307009 has 4 divisors (see below), whose sum is σ = 3076016. Its totient is φ = 1538004.

The previous prime is 2306981. The next prime is 2307031. The reversal of 2307009 is 9007032.

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 2307009 - 2⁵ = 2306977 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2307059) 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, 384499 + ... + 384504.

It is an arithmetic number, because the mean of its divisors is an integer number (769004).

2^2307009 is an apocalyptic number.

It is an amenable number.

2307009 is a deficient number, since it is larger than the sum of its proper divisors (769007).

2307009 is an equidigital number, since it uses as much as digits as its factorization.

2307009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769006.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 2307009 is about 1518.8841298796. The cubic root of 2307009 is about 132.1345620450.

The spelling of 2307009 in words is "two million, three hundred seven thousand, nine".