4480656 has 80 divisors (see below), whose sum is σ = 12945600. Its totient is φ = 1331712.

The previous prime is 4480649. The next prime is 4480661. The reversal of 4480656 is 6560844.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235815 + ... + 235833.

It is an arithmetic number, because the mean of its divisors is an integer number (161820).

Almost surely, 2^4480656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4480656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6472800).

4480656 is an abundant number, since it is smaller than the sum of its proper divisors (8464944).

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

4480656 is a wasteful number, since it uses less digits than its factorization.

4480656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 4480656 is about 2116.7560086132. The cubic root of 4480656 is about 164.8594579186.

The spelling of 4480656 in words is "four million, four hundred eighty thousand, six hundred fifty-six".