6489775 has 12 divisors (see below), whose sum is σ = 8235832. Its totient is φ = 5070240.

The previous prime is 6489719. The next prime is 6489779. The reversal of 6489775 is 5779846.

It is a happy number.

It is not a de Polignac number, because 6489775 - 2⁷ = 6489647 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 (6489779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1944 + ... + 4093.

Almost surely, 2^6489775 is an apocalyptic number.

6489775 is a deficient number, since it is larger than the sum of its proper divisors (1746057).

6489775 is a wasteful number, since it uses less digits than its factorization.

6489775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6090 (or 6085 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 6489775 is about 2547.5036800759. The cubic root of 6489775 is about 186.5276476967.

The spelling of 6489775 in words is "six million, four hundred eighty-nine thousand, seven hundred seventy-five".