4448556 has 72 divisors (see below), whose sum is σ = 13045760. Its totient is φ = 1251936.

The previous prime is 4448539. The next prime is 4448557. The reversal of 4448556 is 6558444.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4448556.

It is not an unprimeable number, because it can be changed into a prime (4448557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31935 + ... + 32073.

Almost surely, 2^4448556 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 4448556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6522880).

4448556 is an abundant number, since it is smaller than the sum of its proper divisors (8597204).

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

4448556 is a wasteful number, since it uses less digits than its factorization.

4448556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 278 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 4448556 is about 2109.1600223786. The cubic root of 4448556 is about 164.4648225024.

The spelling of 4448556 in words is "four million, four hundred forty-eight thousand, five hundred fifty-six".