8540312 has 32 divisors (see below), whose sum is σ = 17651520. Its totient is φ = 3841440.

The previous prime is 8540293. The next prime is 8540327. The reversal of 8540312 is 2130458.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8963 + ... + 9869.

It is an arithmetic number, because the mean of its divisors is an integer number (551610).

Almost surely, 2^8540312 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 8540312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8825760).

8540312 is an abundant number, since it is smaller than the sum of its proper divisors (9111208).

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

8540312 is a wasteful number, since it uses less digits than its factorization.

8540312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 8540312 is about 2922.3812208540. The cubic root of 8540312 is about 204.4048732312.

The spelling of 8540312 in words is "eight million, five hundred forty thousand, three hundred twelve".