2007009 has 12 divisors (see below), whose sum is σ = 2913300. Its totient is φ = 1331424.

The previous prime is 2007001. The next prime is 2007011. The reversal of 2007009 is 9007002.

It can be written as a sum of positive squares in 2 ways, for example, as 567009 + 1440000 = 753^2 + 1200^2 .

It is not a de Polignac number, because 2007009 - 2³ = 2007001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2006982 and 2007000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2007001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2007 + ... + 2835.

It is an arithmetic number, because the mean of its divisors is an integer number (242775).

2^2007009 is an apocalyptic number.

It is an amenable number.

2007009 is a deficient number, since it is larger than the sum of its proper divisors (906291).

2007009 is a wasteful number, since it uses less digits than its factorization.

2007009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 2007009 is about 1416.6894507972. The cubic root of 2007009 is about 126.1391131702.

The spelling of 2007009 in words is "two million, seven thousand, nine".