43085644 has 12 divisors (see below), whose sum is σ = 86171344. Its totient is φ = 18465264.

The previous prime is 43085641. The next prime is 43085681. The reversal of 43085644 is 44658034.

43085644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

43085644 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (43085641) 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 3 ways as a sum of consecutive naturals, for example, 769359 + ... + 769414.

Almost surely, 2^43085644 is an apocalyptic number.

It is an amenable number.

43085644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

43085644 is a wasteful number, since it uses less digits than its factorization.

43085644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538784 (or 1538782 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 43085644 is about 6563.9655696842. The cubic root of 43085644 is about 350.5722448306.

The spelling of 43085644 in words is "forty-three million, eighty-five thousand, six hundred forty-four".