873611 has 4 divisors (see below), whose sum is σ = 901824. Its totient is φ = 845400.

The previous prime is 873571. The next prime is 873617. The reversal of 873611 is 116378.

873611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116378 = 2 ⋅58189.

It is a cyclic number.

It is not a de Polignac number, because 873611 - 2¹⁰ = 872587 is a prime.

It is a Duffinian number.

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 873611.

It is not an unprimeable number, because it can be changed into a prime (873617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14060 + ... + 14121.

It is an arithmetic number, because the mean of its divisors is an integer number (225456).

2⁸⁷³⁶¹¹ is an apocalyptic number.

873611 is a deficient number, since it is larger than the sum of its proper divisors (28213).

873611 is a wasteful number, since it uses less digits than its factorization.

873611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28212.

The product of its digits is 1008, while the sum is 26.

The square root of 873611 is about 934.6716000821. The cubic root of 873611 is about 95.5959216411.

Adding to 873611 its reverse (116378), we get a palindrome (989989).

The spelling of 873611 in words is "eight hundred seventy-three thousand, six hundred eleven".