871426 has 8 divisors (see below), whose sum is σ = 1331964. Its totient is φ = 427440.

The previous prime is 871393. The next prime is 871439. The reversal of 871426 is 624178.

It can be written as a sum of positive squares in 2 ways, for example, as 748225 + 123201 = 865^2 + 351^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 871394 and 871403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4005 + ... + 4216.

2⁸⁷¹⁴²⁶ is an apocalyptic number.

871426 is a deficient number, since it is larger than the sum of its proper divisors (460538).

871426 is a wasteful number, since it uses less digits than its factorization.

871426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8276.

The product of its digits is 2688, while the sum is 28.

The square root of 871426 is about 933.5020085677. The cubic root of 871426 is about 95.5161563631.

The spelling of 871426 in words is "eight hundred seventy-one thousand, four hundred twenty-six".