868344 has 32 divisors (see below), whose sum is σ = 2199120. Its totient is φ = 285696.

The previous prime is 868337. The next prime is 868349. The reversal of 868344 is 443868.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 15.

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 868344.

It is not an unprimeable number, because it can be changed into a prime (868349) by changing a digit.

868344 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2142 + ... + 2514.

868344 is a Friedman number, since it can be written as 8^4*(6^3-4)-8, using all its digits and the basic arithmetic operations.

2⁸⁶⁸³⁴⁴ is an apocalyptic number.

It is an amenable number.

868344 is an abundant number, since it is smaller than the sum of its proper divisors (1330776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

868344 is a wasteful number, since it uses less digits than its factorization.

868344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 475 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 868344 is about 931.8497733004. The cubic root of 868344 is about 95.4034183429.

The spelling of 868344 in words is "eight hundred sixty-eight thousand, three hundred forty-four".