8318320 has 20 divisors (see below), whose sum is σ = 19340280. Its totient is φ = 3327296.

The previous prime is 8318293. The next prime is 8318327. The reversal of 8318320 is 238138.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8318327) 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, 51910 + ... + 52069.

It is an arithmetic number, because the mean of its divisors is an integer number (967014).

Almost surely, 2^8318320 is an apocalyptic number.

8318320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8318320 is an abundant number, since it is smaller than the sum of its proper divisors (11021960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8318320 is a wasteful number, since it uses less digits than its factorization.

8318320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103992 (or 103986 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 8318320 is about 2884.1497880658. The cubic root of 8318320 is about 202.6182411617.

The spelling of 8318320 in words is "eight million, three hundred eighteen thousand, three hundred twenty".