8540863 has 8 divisors (see below), whose sum is σ = 8719776. Its totient is φ = 8364000.

The previous prime is 8540849. The next prime is 8540867. The reversal of 8540863 is 3680458.

8540863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8540863 is a prime.

It is an Ulam number.

It is a Duffinian number.

8540863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9993 + ... + 10813.

It is an arithmetic number, because the mean of its divisors is an integer number (1089972).

Almost surely, 2^8540863 is an apocalyptic number.

8540863 is a deficient number, since it is larger than the sum of its proper divisors (178913).

8540863 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (8540862) it forms an eRAP, since the sums of their prime factors are consecutive (1024 and 1025).

8540863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 8540863 is about 2922.4754917706. The cubic root of 8540863 is about 204.4092690371.

The spelling of 8540863 in words is "eight million, five hundred forty thousand, eight hundred sixty-three".