868117 has 4 divisors (see below), whose sum is σ = 880416. Its totient is φ = 855820.

The previous prime is 868111. The next prime is 868121. The reversal of 868117 is 711868.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 868117 - 2¹⁹ = 343829 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6043 + ... + 6184.

It is an arithmetic number, because the mean of its divisors is an integer number (220104).

2⁸⁶⁸¹¹⁷ is an apocalyptic number.

It is an amenable number.

868117 is a deficient number, since it is larger than the sum of its proper divisors (12299).

868117 is a wasteful number, since it uses less digits than its factorization.

868117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12298.

The product of its digits is 2688, while the sum is 31.

The square root of 868117 is about 931.7279645905. The cubic root of 868117 is about 95.3951042556.

The spelling of 868117 in words is "eight hundred sixty-eight thousand, one hundred seventeen".