43880 has 16 divisors (see below), whose sum is σ = 98820. Its totient is φ = 17536.

The previous prime is 43867. The next prime is 43889. The reversal of 43880 is 8834.

43880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42436 + 1444 = 206^2 + 38^2 .

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 3 ways as a sum of consecutive naturals, for example, 509 + ... + 588.

2⁴³⁸⁸⁰ is an apocalyptic number.

43880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43880 is an abundant number, since it is smaller than the sum of its proper divisors (54940).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49410).

43880 is a wasteful number, since it uses less digits than its factorization.

43880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 43880 is about 209.4755355644. The cubic root of 43880 is about 35.2713600568.

The spelling of 43880 in words is "forty-three thousand, eight hundred eighty".