8995009 has 4 divisors (see below), whose sum is σ = 9060804. Its totient is φ = 8929216.

The previous prime is 8995003. The next prime is 8995013. The reversal of 8995009 is 9005998.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7683984 + 1311025 = 2772^2 + 1145^2 .

It is a cyclic number.

It is not a de Polignac number, because 8995009 - 2⁹ = 8994497 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8995003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32692 + ... + 32965.

It is an arithmetic number, because the mean of its divisors is an integer number (2265201).

Almost surely, 2^8995009 is an apocalyptic number.

It is an amenable number.

8995009 is a deficient number, since it is larger than the sum of its proper divisors (65795).

8995009 is a wasteful number, since it uses less digits than its factorization.

8995009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65794.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 8995009 is about 2999.1680513102. The cubic root of 8995009 is about 207.9699244606.

The spelling of 8995009 in words is "eight million, nine hundred ninety-five thousand, nine".