8320899 has 4 divisors (see below), whose sum is σ = 11094536. Its totient is φ = 5547264.

The previous prime is 8320861. The next prime is 8320903. The reversal of 8320899 is 9980238.

8320899 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8320899 - 2⁹ = 8320387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8320849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386814 + ... + 1386819.

It is an arithmetic number, because the mean of its divisors is an integer number (2773634).

Almost surely, 2^8320899 is an apocalyptic number.

8320899 is a deficient number, since it is larger than the sum of its proper divisors (2773637).

8320899 is a wasteful number, since it uses less digits than its factorization.

8320899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773636.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 8320899 is about 2884.5968522482. The cubic root of 8320899 is about 202.6391788209.

The spelling of 8320899 in words is "eight million, three hundred twenty thousand, eight hundred ninety-nine".