43823872 has 36 divisors (see below), whose sum is σ = 90508320. Its totient is φ = 21152768.

The previous prime is 43823869. The next prime is 43823929. The reversal of 43823872 is 27832834.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4473 + ... + 10375.

It is an arithmetic number, because the mean of its divisors is an integer number (2514120).

Almost surely, 2^43823872 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 43823872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45254160).

43823872 is an abundant number, since it is smaller than the sum of its proper divisors (46684448).

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

43823872 is an equidigital number, since it uses as much as digits as its factorization.

43823872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5948 (or 5934 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 43823872 is about 6619.9601207258. The cubic root of 43823872 is about 352.5631481522.

It can be divided in two parts, 438 and 23872, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 43823872 in words is "forty-three million, eight hundred twenty-three thousand, eight hundred seventy-two".