868673 has 4 divisors (see below), whose sum is σ = 935508. Its totient is φ = 801840.

The previous prime is 868669. The next prime is 868691. The reversal of 868673 is 376868.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123904 + 744769 = 352^2 + 863^2 .

It is not a de Polignac number, because 868673 - 2² = 868669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33398 + ... + 33423.

It is an arithmetic number, because the mean of its divisors is an integer number (233877).

2⁸⁶⁸⁶⁷³ is an apocalyptic number.

It is an amenable number.

868673 is a deficient number, since it is larger than the sum of its proper divisors (66835).

868673 is a wasteful number, since it uses less digits than its factorization.

868673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66834.

The product of its digits is 48384, while the sum is 38.

The square root of 868673 is about 932.0262871829. The cubic root of 868673 is about 95.4154657040.

The spelling of 868673 in words is "eight hundred sixty-eight thousand, six hundred seventy-three".