843880 has 48 divisors (see below), whose sum is σ = 2044620. Its totient is φ = 313344.

The previous prime is 843841. The next prime is 843881. The reversal of 843880 is 88348.

843880 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 6 ways, for example, as 630436 + 213444 = 794^2 + 462^2 .

It is not an unprimeable number, because it can be changed into a prime (843881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11524 + ... + 11596.

2⁸⁴³⁸⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 843880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1022310).

843880 is an abundant number, since it is smaller than the sum of its proper divisors (1200740).

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

843880 is a wasteful number, since it uses less digits than its factorization.

843880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 843880 is about 918.6294138552. The cubic root of 843880 is about 94.4989315221.

The spelling of 843880 in words is "eight hundred forty-three thousand, eight hundred eighty".