443440916 has 12 divisors (see below), whose sum is σ = 776198388. Its totient is φ = 221669952.

The previous prime is 443440901. The next prime is 443440919. The reversal of 443440916 is 619044344.

It can be written as a sum of positive squares in 2 ways, for example, as 100080016 + 343360900 = 10004^2 + 18530^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443440919) 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, 12830 + ... + 32426.

It is an arithmetic number, because the mean of its divisors is an integer number (64683199).

Almost surely, 2^443440916 is an apocalyptic number.

It is an amenable number.

443440916 is a deficient number, since it is larger than the sum of its proper divisors (332757472).

443440916 is a wasteful number, since it uses less digits than its factorization.

443440916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25258 (or 25256 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 443440916 is about 21058.0368505709. The cubic root of 443440916 is about 762.5680188717.

The spelling of 443440916 in words is "four hundred forty-three million, four hundred forty thousand, nine hundred sixteen".