9660009 has 4 divisors (see below), whose sum is σ = 12880016. Its totient is φ = 6440004.

The previous prime is 9659989. The next prime is 9660019. The reversal of 9660009 is 9000669.

9660009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9000669 = 3 ⋅3000223.

It is not a de Polignac number, because 9660009 - 2⁸ = 9659753 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9660019) 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, 1609999 + ... + 1610004.

It is an arithmetic number, because the mean of its divisors is an integer number (3220004).

Almost surely, 2^9660009 is an apocalyptic number.

It is an amenable number.

9660009 is a deficient number, since it is larger than the sum of its proper divisors (3220007).

9660009 is a wasteful number, since it uses less digits than its factorization.

9660009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220006.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 9660009 is about 3108.0555014349. The cubic root of 9660009 is about 212.9736351242.

The spelling of 9660009 in words is "nine million, six hundred sixty thousand, nine".