43422432 has 96 divisors (see below), whose sum is σ = 119129472. Its totient is φ = 13837824.

The previous prime is 43422427. The next prime is 43422451. The reversal of 43422432 is 23422434.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276498 + ... + 276654.

It is an arithmetic number, because the mean of its divisors is an integer number (1240932).

Almost surely, 2^43422432 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 43422432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59564736).

43422432 is an abundant number, since it is smaller than the sum of its proper divisors (75707040).

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

43422432 is a wasteful number, since it uses less digits than its factorization.

43422432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 272 counting only the distinct ones).

The product of its digits is 4608, while the sum is 24.

The square root of 43422432 is about 6589.5699404438. The cubic root of 43422432 is about 351.4833156457.

Adding to 43422432 its reverse (23422434), we get a palindrome (66844866).

The spelling of 43422432 in words is "forty-three million, four hundred twenty-two thousand, four hundred thirty-two".