9896009 has 4 divisors (see below), whose sum is σ = 9905280. Its totient is φ = 9886740.

The previous prime is 9895993. The next prime is 9896039. The reversal of 9896009 is 9006989.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9006989 = 71 ⋅126859.

It is a cyclic number.

It is not a de Polignac number, because 9896009 - 2⁴ = 9895993 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 (9896039) 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, 2789 + ... + 5250.

It is an arithmetic number, because the mean of its divisors is an integer number (2476320).

Almost surely, 2^9896009 is an apocalyptic number.

It is an amenable number.

9896009 is a deficient number, since it is larger than the sum of its proper divisors (9271).

9896009 is a wasteful number, since it uses less digits than its factorization.

9896009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9270.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 9896009 is about 3145.7922690477. The cubic root of 9896009 is about 214.6940591799.

The spelling of 9896009 in words is "nine million, eight hundred ninety-six thousand, nine".