9926009 has 4 divisors (see below), whose sum is σ = 9946020. Its totient is φ = 9906000.

The previous prime is 9926003. The next prime is 9926023. The reversal of 9926009 is 9006299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9006299 = 1201 ⋅7499.

It can be written as a sum of positive squares in 2 ways, for example, as 6786025 + 3139984 = 2605^2 + 1772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9926009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9926009.

It is not an unprimeable number, because it can be changed into a prime (9926003) 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, 9242 + ... + 10259.

It is an arithmetic number, because the mean of its divisors is an integer number (2486505).

Almost surely, 2^9926009 is an apocalyptic number.

It is an amenable number.

9926009 is a deficient number, since it is larger than the sum of its proper divisors (20011).

9926009 is a wasteful number, since it uses less digits than its factorization.

9926009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20010.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 9926009 is about 3150.5569348926. The cubic root of 9926009 is about 214.9107904639.

The spelling of 9926009 in words is "nine million, nine hundred twenty-six thousand, nine".