8540867 has 2 divisors, whose sum is σ = 8540868. Its totient is φ = 8540866.

The previous prime is 8540849. The next prime is 8540869. The reversal of 8540867 is 7680458.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8540867 is a prime.

It is a super-2 number, since 2×8540867² = 145892818223378, which contains 22 as substring.

Together with 8540869, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8540867.

It is not a weakly prime, because it can be changed into another prime (8540869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4270433 + 4270434.

It is an arithmetic number, because the mean of its divisors is an integer number (4270434).

Almost surely, 2^8540867 is an apocalyptic number.

8540867 is a deficient number, since it is larger than the sum of its proper divisors (1).

8540867 is an equidigital number, since it uses as much as digits as its factorization.

8540867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 8540867 is about 2922.4761761219. The cubic root of 8540867 is about 204.4093009479.

The spelling of 8540867 in words is "eight million, five hundred forty thousand, eight hundred sixty-seven".