8993009 has 4 divisors (see below), whose sum is σ = 9038400. Its totient is φ = 8947620.

The previous prime is 8993003. The next prime is 8993011. The reversal of 8993009 is 9003998.

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 an emirpimes, since its reverse is a distinct semiprime: 9003998 = 2 ⋅4501999.

It is a cyclic number.

It is not a de Polignac number, because 8993009 - 2⁴ = 8992993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8993003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22397 + ... + 22794.

It is an arithmetic number, because the mean of its divisors is an integer number (2259600).

Almost surely, 2^8993009 is an apocalyptic number.

It is an amenable number.

8993009 is a deficient number, since it is larger than the sum of its proper divisors (45391).

8993009 is a wasteful number, since it uses less digits than its factorization.

8993009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45390.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 8993009 is about 2998.8346069765. The cubic root of 8993009 is about 207.9545095908.

The spelling of 8993009 in words is "eight million, nine hundred ninety-three thousand, nine".