871942 has 8 divisors (see below), whose sum is σ = 1343376. Its totient is φ = 424152.

The previous prime is 871931. The next prime is 871957. The reversal of 871942 is 249178.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5818 + ... + 5965.

It is an arithmetic number, because the mean of its divisors is an integer number (167922).

2⁸⁷¹⁹⁴² is an apocalyptic number.

871942 is a deficient number, since it is larger than the sum of its proper divisors (471434).

871942 is a wasteful number, since it uses less digits than its factorization.

871942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11822.

The product of its digits is 4032, while the sum is 31.

The square root of 871942 is about 933.7783462900. The cubic root of 871942 is about 95.5350053959.

The spelling of 871942 in words is "eight hundred seventy-one thousand, nine hundred forty-two".