43912 has 16 divisors (see below), whose sum is σ = 90000. Its totient is φ = 19920.

The previous prime is 43891. The next prime is 43913. The reversal of 43912 is 21934.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 43912.

It is not an unprimeable number, because it can be changed into a prime (43913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162 + ... + 337.

It is an arithmetic number, because the mean of its divisors is an integer number (5625).

2⁴³⁹¹² is an apocalyptic number.

It is an amenable number.

43912 is an abundant number, since it is smaller than the sum of its proper divisors (46088).

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 (45000).

43912 is a wasteful number, since it uses less digits than its factorization.

43912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 512 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 43912 is about 209.5519028785. The cubic root of 43912 is about 35.2799319898.

It can be divided in two parts, 4 and 3912, that added together give a triangular number (3916 = T₈₈).

The spelling of 43912 in words is "forty-three thousand, nine hundred twelve".