873881 has 4 divisors (see below), whose sum is σ = 886992. Its totient is φ = 860772.

The previous prime is 873877. The next prime is 873913. The reversal of 873881 is 188378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 873881 - 2² = 873877 is a prime.

It is a super-2 number, since 2×873881² = 1527336004322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (873781) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6455 + ... + 6588.

It is an arithmetic number, because the mean of its divisors is an integer number (221748).

2⁸⁷³⁸⁸¹ is an apocalyptic number.

It is an amenable number.

873881 is a deficient number, since it is larger than the sum of its proper divisors (13111).

873881 is a wasteful number, since it uses less digits than its factorization.

873881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13110.

The product of its digits is 10752, while the sum is 35.

The square root of 873881 is about 934.8160246808. The cubic root of 873881 is about 95.6057689836.

The spelling of 873881 in words is "eight hundred seventy-three thousand, eight hundred eighty-one".