9960009 has 8 divisors (see below), whose sum is σ = 13979040. Its totient is φ = 6290496.

The previous prime is 9959987. The next prime is 9960023. The reversal of 9960009 is 9000699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9960009 - 2⁸ = 9959753 is a prime.

It is a super-3 number, since 3×9960009³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9960029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87312 + ... + 87425.

It is an arithmetic number, because the mean of its divisors is an integer number (1747380).

Almost surely, 2^9960009 is an apocalyptic number.

It is an amenable number.

9960009 is a deficient number, since it is larger than the sum of its proper divisors (4019031).

9960009 is a wasteful number, since it uses less digits than its factorization.

9960009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174759.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 9960009 is about 3155.9481934911. The cubic root of 9960009 is about 215.1558919864.

The spelling of 9960009 in words is "nine million, nine hundred sixty thousand, nine".