8003009 has 12 divisors (see below), whose sum is σ = 9656064. Its totient is φ = 6496632.

The previous prime is 8002987. The next prime is 8003027. The reversal of 8003009 is 9003008.

It is not a de Polignac number, because 8003009 - 2¹⁶ = 7937473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8003029) 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, 944 + ... + 4110.

It is an arithmetic number, because the mean of its divisors is an integer number (804672).

Almost surely, 2^8003009 is an apocalyptic number.

It is an amenable number.

8003009 is a deficient number, since it is larger than the sum of its proper divisors (1653055).

8003009 is a wasteful number, since it uses less digits than its factorization.

8003009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212 (or 3193 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 8003009 is about 2828.9589958145. The cubic root of 8003009 is about 200.0250718569.

Subtracting 8003009 from its reverse (9003008), we obtain a palindrome (999999).

The spelling of 8003009 in words is "eight million, three thousand, nine".