871444 has 12 divisors (see below), whose sum is σ = 1742944. Its totient is φ = 373464.

The previous prime is 871439. The next prime is 871459. The reversal of 871444 is 444178.

871444 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 31123 = 871444 / (8 + 7 + 1 + 4 + 4 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15534 + ... + 15589.

2⁸⁷¹⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

871444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871444 is a wasteful number, since it uses less digits than its factorization.

871444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31134 (or 31132 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 871444 is about 933.5116496327. The cubic root of 871444 is about 95.5168140127.

The spelling of 871444 in words is "eight hundred seventy-one thousand, four hundred forty-four".