873956 has 18 divisors (see below), whose sum is σ = 1588482. Its totient is φ = 420480.

The previous prime is 873913. The next prime is 873959. The reversal of 873956 is 659378.

It can be written as a sum of positive squares in 3 ways, for example, as 27556 + 846400 = 166^2 + 920^2 .

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 873956.

It is not an unprimeable number, because it can be changed into a prime (873959) by changing a digit.

873956 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 in 5 ways as a sum of consecutive naturals, for example, 11936 + ... + 12008.

It is an arithmetic number, because the mean of its divisors is an integer number (88249).

2⁸⁷³⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

873956 is a deficient number, since it is larger than the sum of its proper divisors (714526).

873956 is a wasteful number, since it uses less digits than its factorization.

873956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 116 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 873956 is about 934.8561386652. The cubic root of 873956 is about 95.6085039966.

The spelling of 873956 in words is "eight hundred seventy-three thousand, nine hundred fifty-six".