868697 has 2 divisors, whose sum is σ = 868698. Its totient is φ = 868696.

The previous prime is 868691. The next prime is 868727. The reversal of 868697 is 796868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 866761 + 1936 = 931^2 + 44^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868697 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868697.

It is not a weakly prime, because it can be changed into another prime (868691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434348 + 434349.

It is an arithmetic number, because the mean of its divisors is an integer number (434349).

2⁸⁶⁸⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

868697 is a deficient number, since it is larger than the sum of its proper divisors (1).

868697 is an equidigital number, since it uses as much as digits as its factorization.

868697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 44.

The square root of 868697 is about 932.0391622673. The cubic root of 868697 is about 95.4163444198.

The spelling of 868697 in words is "eight hundred sixty-eight thousand, six hundred ninety-seven".