871888 has 10 divisors (see below), whose sum is σ = 1689314. Its totient is φ = 435936.

The previous prime is 871883. The next prime is 871901. The reversal of 871888 is 888178.

871888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 652864 + 219024 = 808^2 + 468^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 871888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27231 + ... + 27262.

2⁸⁷¹⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

871888 is a deficient number, since it is larger than the sum of its proper divisors (817426).

871888 is a wasteful number, since it uses less digits than its factorization.

871888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54501 (or 54495 counting only the distinct ones).

The product of its digits is 28672, while the sum is 40.

The square root of 871888 is about 933.7494310574. The cubic root of 871888 is about 95.5330331712.

Subtracting 871888 from its reverse (888178), we obtain a triangular number (16290 = T₁₈₀).

The spelling of 871888 in words is "eight hundred seventy-one thousand, eight hundred eighty-eight".