806000917 has 2 divisors, whose sum is σ = 806000918. Its totient is φ = 806000916.

The previous prime is 806000911. The next prime is 806000929. The reversal of 806000917 is 719000608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485805681 + 320195236 = 22041^2 + 17894^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-806000917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (806000911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403000458 + 403000459.

It is an arithmetic number, because the mean of its divisors is an integer number (403000459).

Almost surely, 2^806000917 is an apocalyptic number.

It is an amenable number.

806000917 is a deficient number, since it is larger than the sum of its proper divisors (1).

806000917 is an equidigital number, since it uses as much as digits as its factorization.

806000917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 806000917 is about 28390.1552831259. The cubic root of 806000917 is about 930.6331361402.

The spelling of 806000917 in words is "eight hundred six million, nine hundred seventeen", and thus it is an aban number.