43830 has 24 divisors (see below), whose sum is σ = 114192. Its totient is φ = 11664.

The previous prime is 43801. The next prime is 43853. The reversal of 43830 is 3834.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154 + ... + 333.

It is an arithmetic number, because the mean of its divisors is an integer number (4758).

2⁴³⁸³⁰ is an apocalyptic number.

43830 is an abundant number, since it is smaller than the sum of its proper divisors (70362).

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 (57096).

43830 is a wasteful number, since it uses less digits than its factorization.

43830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 43830 is about 209.3561558684. The cubic root of 43830 is about 35.2579580644.

The spelling of 43830 in words is "forty-three thousand, eight hundred thirty".