43884 has 36 divisors (see below), whose sum is σ = 117936. Its totient is φ = 13728.

The previous prime is 43867. The next prime is 43889. The reversal of 43884 is 48834.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (43889) 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, 802 + ... + 854.

It is an arithmetic number, because the mean of its divisors is an integer number (3276).

2⁴³⁸⁸⁴ 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 43884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58968).

43884 is an abundant number, since it is smaller than the sum of its proper divisors (74052).

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

43884 is a wasteful number, since it uses less digits than its factorization.

43884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 81 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 43884 is about 209.4850830012. The cubic root of 43884 is about 35.2724317763.

Subtracting 43884 from its reverse (48834), we obtain a triangular number (4950 = T₉₉).

The spelling of 43884 in words is "forty-three thousand, eight hundred eighty-four".