871146 has 12 divisors (see below), whose sum is σ = 1887522. Its totient is φ = 290376.

The previous prime is 871103. The next prime is 871147. The reversal of 871146 is 641178.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 632025 + 239121 = 795^2 + 489^2 .

It is not an unprimeable number, because it can be changed into a prime (871147) by changing a digit.

871146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24181 + ... + 24216.

2⁸⁷¹¹⁴⁶ is an apocalyptic number.

871146 is an abundant number, since it is smaller than the sum of its proper divisors (1016376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871146 is a wasteful number, since it uses less digits than its factorization.

871146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48405 (or 48402 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 871146 is about 933.3520236224. The cubic root of 871146 is about 95.5059250913.

The spelling of 871146 in words is "eight hundred seventy-one thousand, one hundred forty-six".