871941 has 8 divisors (see below), whose sum is σ = 1328704. Its totient is φ = 498240.

The previous prime is 871931. The next prime is 871957. The reversal of 871941 is 149178.

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

It is not a de Polignac number, because 871941 - 2¹⁰ = 870917 is a prime.

It is a super-2 number, since 2×871941² = 1520562214962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 871899 and 871908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20740 + ... + 20781.

It is an arithmetic number, because the mean of its divisors is an integer number (166088).

2⁸⁷¹⁹⁴¹ is an apocalyptic number.

It is an amenable number.

871941 is a deficient number, since it is larger than the sum of its proper divisors (456763).

871941 is a wasteful number, since it uses less digits than its factorization.

871941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41531.

The product of its digits is 2016, while the sum is 30.

The square root of 871941 is about 933.7778108308. Note that the first 3 decimals coincide. The cubic root of 871941 is about 95.5349688740.

The spelling of 871941 in words is "eight hundred seventy-one thousand, nine hundred forty-one".