8988009 has 8 divisors (see below), whose sum is σ = 12505152. Its totient is φ = 5731440.

The previous prime is 8987981. The next prime is 8988013. The reversal of 8988009 is 9008898.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8988009 - 2⁸ = 8987753 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8988029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65062 + ... + 65199.

It is an arithmetic number, because the mean of its divisors is an integer number (1563144).

Almost surely, 2^8988009 is an apocalyptic number.

It is an amenable number.

8988009 is a deficient number, since it is larger than the sum of its proper divisors (3517143).

8988009 is a wasteful number, since it uses less digits than its factorization.

8988009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130287.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 8988009 is about 2998.0008338891. Note that the first 3 decimals coincide. The cubic root of 8988009 is about 207.9159624145.

The spelling of 8988009 in words is "eight million, nine hundred eighty-eight thousand, nine".