8315312 has 40 divisors (see below), whose sum is σ = 17967600. Its totient is φ = 3704832.

The previous prime is 8315273. The next prime is 8315317. The reversal of 8315312 is 2135138.

It is not an unprimeable number, because it can be changed into a prime (8315317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4364 + ... + 5972.

It is an arithmetic number, because the mean of its divisors is an integer number (449190).

Almost surely, 2^8315312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8315312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8983800).

8315312 is an abundant number, since it is smaller than the sum of its proper divisors (9652288).

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

8315312 is a wasteful number, since it uses less digits than its factorization.

8315312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1647 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 8315312 is about 2883.6282700792. The cubic root of 8315312 is about 202.5938151899.

The spelling of 8315312 in words is "eight million, three hundred fifteen thousand, three hundred twelve".