2664448 has 24 divisors (see below), whose sum is σ = 5331690. Its totient is φ = 1331200.

The previous prime is 2664443. The next prime is 2664449. The reversal of 2664448 is 8444662.

It is a happy number.

2664448 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2663424 + 1024 = 1632^2 + 32^2 .

It is a d-powerful number, because it can be written as 2⁵ + 6⁵ + 6⁷ + 4⁵ + 4⁷ + 4⁹ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (2664443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1398 + ... + 2698.

2^2664448 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 2664448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2665845).

2664448 is an abundant number, since it is smaller than the sum of its proper divisors (2667242).

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

2664448 is an equidigital number, since it uses as much as digits as its factorization.

2664448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1303 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 2664448 is about 1632.3136953417. The cubic root of 2664448 is about 138.6337857607.

The spelling of 2664448 in words is "two million, six hundred sixty-four thousand, four hundred forty-eight".