871443 has 6 divisors (see below), whose sum is σ = 1258764. Its totient is φ = 580956.

The previous prime is 871439. The next prime is 871459. The reversal of 871443 is 344178.

It is not a de Polignac number, because 871443 - 2² = 871439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (871463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48405 + ... + 48422.

It is an arithmetic number, because the mean of its divisors is an integer number (209794).

2⁸⁷¹⁴⁴³ is an apocalyptic number.

871443 is a deficient number, since it is larger than the sum of its proper divisors (387321).

871443 is a wasteful number, since it uses less digits than its factorization.

871443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96833 (or 96830 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 871443 is about 933.5111140206. The cubic root of 871443 is about 95.5167774769.

The spelling of 871443 in words is "eight hundred seventy-one thousand, four hundred forty-three".