868064 has 12 divisors (see below), whose sum is σ = 1709064. Its totient is φ = 434016.

The previous prime is 868051. The next prime is 868069. The reversal of 868064 is 460868.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 27127 = 868064 / (8 + 6 + 8 + 0 + 6 + 4).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 868064.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868064.

It is not an unprimeable number, because it can be changed into a prime (868069) by changing a digit.

868064 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13532 + ... + 13595.

It is an arithmetic number, because the mean of its divisors is an integer number (142422).

2⁸⁶⁸⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

868064 is a deficient number, since it is larger than the sum of its proper divisors (841000).

868064 is a wasteful number, since it uses less digits than its factorization.

868064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27137 (or 27129 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 868064 is about 931.6995223783. The cubic root of 868064 is about 95.3931628723.

The spelling of 868064 in words is "eight hundred sixty-eight thousand, sixty-four".