6488449 has 4 divisors (see below), whose sum is σ = 7078320. Its totient is φ = 5898580.

The previous prime is 6488429. The next prime is 6488453. The reversal of 6488449 is 9448846.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6488449 - 2¹⁵ = 6455681 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6488429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294919 + ... + 294940.

It is an arithmetic number, because the mean of its divisors is an integer number (1769580).

Almost surely, 2^6488449 is an apocalyptic number.

It is an amenable number.

6488449 is a deficient number, since it is larger than the sum of its proper divisors (589871).

6488449 is a wasteful number, since it uses less digits than its factorization.

6488449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589870.

The product of its digits is 221184, while the sum is 43.

The square root of 6488449 is about 2547.2434120044. The cubic root of 6488449 is about 186.5149429672.

The spelling of 6488449 in words is "six million, four hundred eighty-eight thousand, four hundred forty-nine".