4443616 has 12 divisors (see below), whose sum is σ = 8748432. Its totient is φ = 2221792.

The previous prime is 4443601. The next prime is 4443619. The reversal of 4443616 is 6163444.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4443619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69400 + ... + 69463.

It is an arithmetic number, because the mean of its divisors is an integer number (729036).

Almost surely, 2^4443616 is an apocalyptic number.

It is an amenable number.

4443616 is a deficient number, since it is larger than the sum of its proper divisors (4304816).

4443616 is a wasteful number, since it uses less digits than its factorization.

4443616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138873 (or 138865 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 4443616 is about 2107.9886147700. The cubic root of 4443616 is about 164.4039220554.

It can be divided in two parts, 44 and 43616, that added together give a triangular number (43660 = T₂₉₅).

The spelling of 4443616 in words is "four million, four hundred forty-three thousand, six hundred sixteen".