8650009 has 4 divisors (see below), whose sum is σ = 8851216. Its totient is φ = 8448804.

The previous prime is 8650003. The next prime is 8650027. The reversal of 8650009 is 9000568.

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.

It is a cyclic number.

It is not a de Polignac number, because 8650009 - 2⁷ = 8649881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8650003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100539 + ... + 100624.

It is an arithmetic number, because the mean of its divisors is an integer number (2212804).

Almost surely, 2^8650009 is an apocalyptic number.

It is an amenable number.

8650009 is a deficient number, since it is larger than the sum of its proper divisors (201207).

8650009 is a wasteful number, since it uses less digits than its factorization.

8650009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201206.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 8650009 is about 2941.0897640161. The cubic root of 8650009 is about 205.2763198257.

The spelling of 8650009 in words is "eight million, six hundred fifty thousand, nine".