6448782 has 16 divisors (see below), whose sum is σ = 12926592. Its totient is φ = 2144760.

The previous prime is 6448781. The next prime is 6448787. The reversal of 6448782 is 2878446.

It is a self number, because there is not a number n which added to its sum of digits gives 6448782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2607 + ... + 4437.

It is an arithmetic number, because the mean of its divisors is an integer number (807912).

Almost surely, 2^6448782 is an apocalyptic number.

6448782 is an abundant number, since it is smaller than the sum of its proper divisors (6477810).

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

6448782 is a wasteful number, since it uses less digits than its factorization.

6448782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423.

The product of its digits is 86016, while the sum is 39.

The square root of 6448782 is about 2539.4452150027. The cubic root of 6448782 is about 186.1340806844.

The spelling of 6448782 in words is "six million, four hundred forty-eight thousand, seven hundred eighty-two".