869713 has 8 divisors (see below), whose sum is σ = 945000. Its totient is φ = 795648.

The previous prime is 869707. The next prime is 869717. The reversal of 869713 is 317968.

It can be written as a sum of positive squares in 4 ways, for example, as 1089 + 868624 = 33^2 + 932^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-869713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (869717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1713 + ... + 2161.

It is an arithmetic number, because the mean of its divisors is an integer number (118125).

2⁸⁶⁹⁷¹³ is an apocalyptic number.

It is an amenable number.

869713 is a deficient number, since it is larger than the sum of its proper divisors (75287).

869713 is a wasteful number, since it uses less digits than its factorization.

869713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611.

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

The square root of 869713 is about 932.5840444700. The cubic root of 869713 is about 95.4535285537.

The spelling of 869713 in words is "eight hundred sixty-nine thousand, seven hundred thirteen".