6448528 has 20 divisors (see below), whose sum is σ = 12667468. Its totient is φ = 3179520.

The previous prime is 6448517. The next prime is 6448529. The reversal of 6448528 is 8258446.

It can be written as a sum of positive squares in 2 ways, for example, as 2715904 + 3732624 = 1648^2 + 1932^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1593 + ... + 3928.

Almost surely, 2^6448528 is an apocalyptic number.

It is an amenable number.

6448528 is a deficient number, since it is larger than the sum of its proper divisors (6218940).

6448528 is a wasteful number, since it uses less digits than its factorization.

6448528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602 (or 5596 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 6448528 is about 2539.3952035869. The cubic root of 6448528 is about 186.1316368804.

The spelling of 6448528 in words is "six million, four hundred forty-eight thousand, five hundred twenty-eight".