43634442 has 16 divisors (see below), whose sum is σ = 87363360. Its totient is φ = 14529072.

The previous prime is 43634441. The next prime is 43634443. The reversal of 43634442 is 24443634.

43634442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (43634441) and next prime (43634443).

It is not an unprimeable number, because it can be changed into a prime (43634441) 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, 3013 + ... + 9815.

It is an arithmetic number, because the mean of its divisors is an integer number (5460210).

Almost surely, 2^43634442 is an apocalyptic number.

43634442 is an abundant number, since it is smaller than the sum of its proper divisors (43728918).

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

43634442 is a wasteful number, since it uses less digits than its factorization.

43634442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7877.

The product of its digits is 27648, while the sum is 30.

The square root of 43634442 is about 6605.6371380814. The cubic root of 43634442 is about 352.0544262002.

The spelling of 43634442 in words is "forty-three million, six hundred thirty-four thousand, four hundred forty-two".