873973 has 4 divisors (see below), whose sum is σ = 904140. Its totient is φ = 843808.

The previous prime is 873959. The next prime is 873979. The reversal of 873973 is 379378.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 237169 + 636804 = 487^2 + 798^2 .

It is a cyclic number.

It is not a de Polignac number, because 873973 - 2⁹ = 873461 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 (873979) 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, 15040 + ... + 15097.

It is an arithmetic number, because the mean of its divisors is an integer number (226035).

2⁸⁷³⁹⁷³ is an apocalyptic number.

It is an amenable number.

873973 is a deficient number, since it is larger than the sum of its proper divisors (30167).

873973 is a wasteful number, since it uses less digits than its factorization.

873973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30166.

The product of its digits is 31752, while the sum is 37.

The square root of 873973 is about 934.8652309290. The cubic root of 873973 is about 95.6091239111.

The spelling of 873973 in words is "eight hundred seventy-three thousand, nine hundred seventy-three".