43434738 has 32 divisors (see below), whose sum is σ = 98164800. Its totient is φ = 14231808.

The previous prime is 43434733. The next prime is 43434749. The reversal of 43434738 is 83743434.

It is a happy number.

43434738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43434733) 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 15 ways as a sum of consecutive naturals, for example, 3631 + ... + 10002.

It is an arithmetic number, because the mean of its divisors is an integer number (3067650).

Almost surely, 2^43434738 is an apocalyptic number.

43434738 is an abundant number, since it is smaller than the sum of its proper divisors (54730062).

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

43434738 is a wasteful number, since it uses less digits than its factorization.

43434738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13703 (or 13697 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 43434738 is about 6590.5036226377. The cubic root of 43434738 is about 351.5165161901.

The spelling of 43434738 in words is "forty-three million, four hundred thirty-four thousand, seven hundred thirty-eight".