8399318 has 4 divisors (see below), whose sum is σ = 12598980. Its totient is φ = 4199658.

The previous prime is 8399317. The next prime is 8399381. The reversal of 8399318 is 8139938.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8399317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2099828 + ... + 2099831.

It is an arithmetic number, because the mean of its divisors is an integer number (3149745).

Almost surely, 2^8399318 is an apocalyptic number.

8399318 is a deficient number, since it is larger than the sum of its proper divisors (4199662).

8399318 is a wasteful number, since it uses less digits than its factorization.

8399318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4199661.

The product of its digits is 46656, while the sum is 41.

The square root of 8399318 is about 2898.1576906718. The cubic root of 8399318 is about 203.2737697671.

The spelling of 8399318 in words is "eight million, three hundred ninety-nine thousand, three hundred eighteen".