8486917 has 2 divisors, whose sum is σ = 8486918. Its totient is φ = 8486916.

The previous prime is 8486903. The next prime is 8486941. The reversal of 8486917 is 7196848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8473921 + 12996 = 2911^2 + 114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8486917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8486987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4243458 + 4243459.

It is an arithmetic number, because the mean of its divisors is an integer number (4243459).

Almost surely, 2^8486917 is an apocalyptic number.

It is an amenable number.

8486917 is a deficient number, since it is larger than the sum of its proper divisors (1).

8486917 is an equidigital number, since it uses as much as digits as its factorization.

8486917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 8486917 is about 2913.2313673994. The cubic root of 8486917 is about 203.9779948711.

The spelling of 8486917 in words is "eight million, four hundred eighty-six thousand, nine hundred seventeen".