6448549 has 8 divisors (see below), whose sum is σ = 6612320. Its totient is φ = 6286896.

The previous prime is 6448537. The next prime is 6448553. The reversal of 6448549 is 9458446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6448549 - 2⁵ = 6448517 is a prime.

It is a Duffinian number.

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 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, 6862 + ... + 7744.

It is an arithmetic number, because the mean of its divisors is an integer number (826540).

Almost surely, 2^6448549 is an apocalyptic number.

It is an amenable number.

6448549 is a deficient number, since it is larger than the sum of its proper divisors (163771).

6448549 is a wasteful number, since it uses less digits than its factorization.

6448549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its digits is 138240, while the sum is 40.

The square root of 6448549 is about 2539.3993384263. The cubic root of 6448549 is about 186.1318389296.

The spelling of 6448549 in words is "six million, four hundred forty-eight thousand, five hundred forty-nine".