868478 has 8 divisors (see below), whose sum is σ = 1402968. Its totient is φ = 400824.

The previous prime is 868459. The next prime is 868487. The reversal of 868478 is 874868.

It is a happy number.

868478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 868478.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16676 + ... + 16727.

It is an arithmetic number, because the mean of its divisors is an integer number (175371).

2⁸⁶⁸⁴⁷⁸ is an apocalyptic number.

868478 is a deficient number, since it is larger than the sum of its proper divisors (534490).

868478 is a wasteful number, since it uses less digits than its factorization.

868478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33418.

The product of its digits is 86016, while the sum is 41.

The square root of 868478 is about 931.9216705282. The cubic root of 868478 is about 95.4083255380.

It can be divided in two parts, 8 and 68478, that added together give a palindrome (68486).

The spelling of 868478 in words is "eight hundred sixty-eight thousand, four hundred seventy-eight".