843871164 has 48 divisors (see below), whose sum is σ = 2010304128. Its totient is φ = 275444928.

The previous prime is 843871163. The next prime is 843871169. The reversal of 843871164 is 461178348.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (843871163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136059 + ... + 142125.

It is an arithmetic number, because the mean of its divisors is an integer number (41881336).

Almost surely, 2^843871164 is an apocalyptic number.

It is an amenable number.

843871164 is an abundant number, since it is smaller than the sum of its proper divisors (1166432964).

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

843871164 is a wasteful number, since it uses less digits than its factorization.

843871164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6314 (or 6312 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 843871164 is about 29049.4606490379. The cubic root of 843871164 is about 944.9860169819.

The spelling of 843871164 in words is "eight hundred forty-three million, eight hundred seventy-one thousand, one hundred sixty-four".