4402644 has 24 divisors (see below), whose sum is σ = 10334688. Its totient is φ = 1458720.

The previous prime is 4402633. The next prime is 4402663. The reversal of 4402644 is 4462044.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1159 + ... + 3185.

It is an arithmetic number, because the mean of its divisors is an integer number (430612).

Almost surely, 2^4402644 is an apocalyptic number.

It is an amenable number.

4402644 is an abundant number, since it is smaller than the sum of its proper divisors (5932044).

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

4402644 is a wasteful number, since it uses less digits than its factorization.

4402644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215 (or 2213 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4402644 is about 2098.2478404612. The cubic root of 4402644 is about 163.8970700545.

Adding to 4402644 its reverse (4462044), we get a palindrome (8864688).

The spelling of 4402644 in words is "four million, four hundred two thousand, six hundred forty-four".