869697 has 14 divisors (see below), whose sum is σ = 1305042. Its totient is φ = 579312.

The previous prime is 869689. The next prime is 869707. The reversal of 869697 is 796968.

It can be written as a sum of positive squares in only one way, i.e., 746496 + 123201 = 864^2 + 351^2 .

It is not a de Polignac number, because 869697 - 2³ = 869689 is a prime.

869697 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 869697.

It is not an unprimeable number, because it can be changed into a prime (869657) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 133 + ... + 1325.

2⁸⁶⁹⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

869697 is a deficient number, since it is larger than the sum of its proper divisors (435345).

869697 is an equidigital number, since it uses as much as digits as its factorization.

869697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1196 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 869697 is about 932.5754661152. The cubic root of 869697 is about 95.4529432013.

The spelling of 869697 in words is "eight hundred sixty-nine thousand, six hundred ninety-seven".