43421326 has 16 divisors (see below), whose sum is σ = 71636544. Its totient is φ = 19613664.

The previous prime is 43421321. The next prime is 43421341. The reversal of 43421326 is 62312434.

43421326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 43421326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43421321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16545 + ... + 18988.

It is an arithmetic number, because the mean of its divisors is an integer number (4477284).

Almost surely, 2^43421326 is an apocalyptic number.

43421326 is a deficient number, since it is larger than the sum of its proper divisors (28215218).

43421326 is a wasteful number, since it uses less digits than its factorization.

43421326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35595.

The product of its digits is 3456, while the sum is 25.

The square root of 43421326 is about 6589.4860194100. The cubic root of 43421326 is about 351.4803314443.

The spelling of 43421326 in words is "forty-three million, four hundred twenty-one thousand, three hundred twenty-six".