4408644 has 24 divisors (see below), whose sum is σ = 10892448. Its totient is φ = 1383040.

The previous prime is 4408643. The next prime is 4408681. The reversal of 4408644 is 4468044.

4408644 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4408644² = 38872283837472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4408643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10602 + ... + 11009.

It is an arithmetic number, because the mean of its divisors is an integer number (453852).

Almost surely, 2^4408644 is an apocalyptic number.

It is an amenable number.

4408644 is an abundant number, since it is smaller than the sum of its proper divisors (6483804).

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

4408644 is a wasteful number, since it uses less digits than its factorization.

4408644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21635 (or 21633 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 4408644 is about 2099.6771180351. The cubic root of 4408644 is about 163.9714901859.

The spelling of 4408644 in words is "four million, four hundred eight thousand, six hundred forty-four".