8240879 has 2 divisors, whose sum is σ = 8240880. Its totient is φ = 8240878.

The previous prime is 8240873. The next prime is 8240909. The reversal of 8240879 is 9780428.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8240879 - 2⁴ = 8240863 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8240873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4120439 + 4120440.

It is an arithmetic number, because the mean of its divisors is an integer number (4120440).

Almost surely, 2^8240879 is an apocalyptic number.

8240879 is a deficient number, since it is larger than the sum of its proper divisors (1).

8240879 is an equidigital number, since it uses as much as digits as its factorization.

8240879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 8240879 is about 2870.6931218784. The cubic root of 8240879 is about 201.9875086221.

It can be divided in two parts, 8240 and 879, that added together give a palindrome (9119).

The spelling of 8240879 in words is "eight million, two hundred forty thousand, eight hundred seventy-nine".