9659009 has 4 divisors (see below), whose sum is σ = 10227204. Its totient is φ = 9090816.

The previous prime is 9658993. The next prime is 9659021. The reversal of 9659009 is 9009569.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9009569 = 2731 ⋅3299.

It can be written as a sum of positive squares in 2 ways, for example, as 8151025 + 1507984 = 2855^2 + 1228^2 .

It is a cyclic number.

It is not a de Polignac number, because 9659009 - 2⁴ = 9658993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9659029) 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, 284072 + ... + 284105.

It is an arithmetic number, because the mean of its divisors is an integer number (2556801).

Almost surely, 2^9659009 is an apocalyptic number.

It is an amenable number.

9659009 is a deficient number, since it is larger than the sum of its proper divisors (568195).

9659009 is a wasteful number, since it uses less digits than its factorization.

9659009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568194.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 9659009 is about 3107.8946249833. The cubic root of 9659009 is about 212.9662858907.

The spelling of 9659009 in words is "nine million, six hundred fifty-nine thousand, nine".