869317 has 2 divisors, whose sum is σ = 869318. Its totient is φ = 869316.

The previous prime is 869303. The next prime is 869321. The reversal of 869317 is 713968.

869317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 498436 + 370881 = 706^2 + 609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-869317 is a 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 (869017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434658 + 434659.

It is an arithmetic number, because the mean of its divisors is an integer number (434659).

2⁸⁶⁹³¹⁷ is an apocalyptic number.

It is an amenable number.

869317 is a deficient number, since it is larger than the sum of its proper divisors (1).

869317 is an equidigital number, since it uses as much as digits as its factorization.

869317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 869317 is about 932.3717069924. The cubic root of 869317 is about 95.4390389709.

The spelling of 869317 in words is "eight hundred sixty-nine thousand, three hundred seventeen".