868886 has 8 divisors (see below), whose sum is σ = 1310664. Its totient is φ = 432000.

The previous prime is 868883. The next prime is 868891. The reversal of 868886 is 688868.

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

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868883) 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, 740 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (163833).

2⁸⁶⁸⁸⁸⁶ is an apocalyptic number.

868886 is a deficient number, since it is larger than the sum of its proper divisors (441778).

868886 is a wasteful number, since it uses less digits than its factorization.

868886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446.

The product of its digits is 147456, while the sum is 44.

The square root of 868886 is about 932.1405473425. The cubic root of 868886 is about 95.4232637413.

The spelling of 868886 in words is "eight hundred sixty-eight thousand, eight hundred eighty-six".