871928 has 8 divisors (see below), whose sum is σ = 1634880. Its totient is φ = 435960.

The previous prime is 871919. The next prime is 871931. The reversal of 871928 is 829178.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

871928 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54488 + ... + 54503.

It is an arithmetic number, because the mean of its divisors is an integer number (204360).

2⁸⁷¹⁹²⁸ is an apocalyptic number.

It is an amenable number.

871928 is a deficient number, since it is larger than the sum of its proper divisors (762952).

871928 is a wasteful number, since it uses less digits than its factorization.

871928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108997 (or 108993 counting only the distinct ones).

The product of its digits is 8064, while the sum is 35.

The square root of 871928 is about 933.7708498342. The cubic root of 871928 is about 95.5344940862.

The spelling of 871928 in words is "eight hundred seventy-one thousand, nine hundred twenty-eight".