43424000 has 144 divisors (see below), whose sum is σ = 114791040. Its totient is φ = 16332800.

The previous prime is 43423999. The next prime is 43424033. The reversal of 43424000 is 42434.

It is a self number, because there is not a number n which added to its sum of digits gives 43424000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735971 + ... + 736029.

It is an arithmetic number, because the mean of its divisors is an integer number (797160).

Almost surely, 2^43424000 is an apocalyptic number.

43424000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57395520).

43424000 is an abundant number, since it is smaller than the sum of its proper divisors (71367040).

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

43424000 is an equidigital number, since it uses as much as digits as its factorization.

43424000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 43424000 is about 6589.6889152675. The cubic root of 43424000 is about 351.4875463254.

Adding to 43424000 its reverse (42434), we get a palindrome (43466434).

The spelling of 43424000 in words is "forty-three million, four hundred twenty-four thousand".