873791 has 4 divisors (see below), whose sum is σ = 919800. Its totient is φ = 827784.

The previous prime is 873787. The next prime is 873863. The reversal of 873791 is 197378.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 197378 = 2 ⋅98689.

It is a cyclic number.

It is not a de Polignac number, because 873791 - 2² = 873787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873721) 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 3 ways as a sum of consecutive naturals, for example, 22976 + ... + 23013.

It is an arithmetic number, because the mean of its divisors is an integer number (229950).

2⁸⁷³⁷⁹¹ is an apocalyptic number.

873791 is a deficient number, since it is larger than the sum of its proper divisors (46009).

873791 is a wasteful number, since it uses less digits than its factorization.

873791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46008.

The product of its digits is 10584, while the sum is 35.

The square root of 873791 is about 934.7678856272. The cubic root of 873791 is about 95.6024867615.

The spelling of 873791 in words is "eight hundred seventy-three thousand, seven hundred ninety-one".