2009007 has 48 divisors (see below), whose sum is σ = 3913728. Its totient is φ = 959040.

The previous prime is 2008973. The next prime is 2009011. The reversal of 2009007 is 7009002.

Added to its reverse (7009002) it gives a square (9018009 = 3003²).

It is not a de Polignac number, because 2009007 - 2⁷ = 2008879 is a prime.

It is a super-2 number, since 2×2009007² = 8072218252098, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8898 + ... + 9120.

It is an arithmetic number, because the mean of its divisors is an integer number (81536).

2^2009007 is an apocalyptic number.

2009007 is a deficient number, since it is larger than the sum of its proper divisors (1904721).

2009007 is a wasteful number, since it uses less digits than its factorization.

2009007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 257 counting only the distinct ones).

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

The square root of 2009007 is about 1417.3944405140. The cubic root of 2009007 is about 126.1809569226.

Adding to 2009007 its reverse (7009002), we get a square (9018009 = 3003²).

The spelling of 2009007 in words is "two million, nine thousand, seven".