8320985 has 8 divisors (see below), whose sum is σ = 10000896. Its totient is φ = 6646320.

The previous prime is 8320943. The next prime is 8321003. The reversal of 8320985 is 5890238.

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

It is not a de Polignac number, because 8320985 - 2⁸ = 8320729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4670 + ... + 6200.

It is an arithmetic number, because the mean of its divisors is an integer number (1250112).

Almost surely, 2^8320985 is an apocalyptic number.

It is an amenable number.

8320985 is a deficient number, since it is larger than the sum of its proper divisors (1679911).

8320985 is a wasteful number, since it uses less digits than its factorization.

8320985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 8320985 is about 2884.6117589721. The cubic root of 8320985 is about 202.6398769390.

The spelling of 8320985 in words is "eight million, three hundred twenty thousand, nine hundred eighty-five".