8985809 has 8 divisors (see below), whose sum is σ = 10873728. Its totient is φ = 7248960.

The previous prime is 8985799. The next prime is 8985811. The reversal of 8985809 is 9085898.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8985809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8981809) 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, 37637 + ... + 37874.

It is an arithmetic number, because the mean of its divisors is an integer number (1359216).

Almost surely, 2^8985809 is an apocalyptic number.

It is an amenable number.

8985809 is a deficient number, since it is larger than the sum of its proper divisors (1887919).

8985809 is a wasteful number, since it uses less digits than its factorization.

8985809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75535.

The product of its (nonzero) digits is 207360, while the sum is 47.

The square root of 8985809 is about 2997.6339002620. The cubic root of 8985809 is about 207.8989971281.

The spelling of 8985809 in words is "eight million, nine hundred eighty-five thousand, eight hundred nine".