868043 has 16 divisors (see below), whose sum is σ = 1022976. Its totient is φ = 728640.

The previous prime is 868039. The next prime is 868051. The reversal of 868043 is 340868.

It is not a de Polignac number, because 868043 - 2² = 868039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 867997 and 868015.

It is not an unprimeable number, because it can be changed into a prime (868033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11855 + ... + 11927.

It is an arithmetic number, because the mean of its divisors is an integer number (63936).

2⁸⁶⁸⁰⁴³ is an apocalyptic number.

868043 is a deficient number, since it is larger than the sum of its proper divisors (154933).

868043 is a wasteful number, since it uses less digits than its factorization.

868043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 868043 is about 931.6882525824. The cubic root of 868043 is about 95.3923936231.

The spelling of 868043 in words is "eight hundred sixty-eight thousand, forty-three".