871793 has 4 divisors (see below), whose sum is σ = 938868. Its totient is φ = 804720.

The previous prime is 871789. The next prime is 871817. The reversal of 871793 is 397178.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 397178 = 2 ⋅198589.

It can be written as a sum of positive squares in 2 ways, for example, as 204304 + 667489 = 452^2 + 817^2 .

It is a cyclic number.

It is not a de Polignac number, because 871793 - 2² = 871789 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9 and base 14.

It is not an unprimeable number, because it can be changed into a prime (871763) 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, 33518 + ... + 33543.

It is an arithmetic number, because the mean of its divisors is an integer number (234717).

2⁸⁷¹⁷⁹³ is an apocalyptic number.

It is an amenable number.

871793 is a deficient number, since it is larger than the sum of its proper divisors (67075).

871793 is a wasteful number, since it uses less digits than its factorization.

871793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67074.

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

The square root of 871793 is about 933.6985594934. The cubic root of 871793 is about 95.5295633188.

The spelling of 871793 in words is "eight hundred seventy-one thousand, seven hundred ninety-three".