2808448 has 32 divisors (see below), whose sum is σ = 5755860. Its totient is φ = 1363968.

The previous prime is 2808437. The next prime is 2808469. The reversal of 2808448 is 8448082.

It can be written as a sum of positive squares in 2 ways, for example, as 2585664 + 222784 = 1608^2 + 472^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4440 + ... + 5032.

2^2808448 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 2808448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2877930).

2808448 is an abundant number, since it is smaller than the sum of its proper divisors (2947412).

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

2808448 is an equidigital number, since it uses as much as digits as its factorization.

2808448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 2808448 is about 1675.8424746974. The cubic root of 2808448 is about 141.0875836986.

The spelling of 2808448 in words is "two million, eight hundred eight thousand, four hundred forty-eight".