43985444 has 12 divisors (see below), whose sum is σ = 78279600. Its totient is φ = 21619848.

The previous prime is 43985441. The next prime is 43985471. The reversal of 43985444 is 44458934.

It is not an unprimeable number, because it can be changed into a prime (43985441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92954 + ... + 93425.

It is an arithmetic number, because the mean of its divisors is an integer number (6523300).

Almost surely, 2^43985444 is an apocalyptic number.

It is an amenable number.

43985444 is a deficient number, since it is larger than the sum of its proper divisors (34294156).

43985444 is a wasteful number, since it uses less digits than its factorization.

43985444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186442 (or 186440 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 43985444 is about 6632.1522901695. The cubic root of 43985444 is about 352.9958991250.

The spelling of 43985444 in words is "forty-three million, nine hundred eighty-five thousand, four hundred forty-four".