6489768 has 16 divisors (see below), whose sum is σ = 16224480. Its totient is φ = 2163248.

The previous prime is 6489719. The next prime is 6489779. The reversal of 6489768 is 8679846.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135180 + ... + 135227.

It is an arithmetic number, because the mean of its divisors is an integer number (1014030).

Almost surely, 2^6489768 is an apocalyptic number.

It is an amenable number.

6489768 is an abundant number, since it is smaller than the sum of its proper divisors (9734712).

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

6489768 is a wasteful number, since it uses less digits than its factorization.

6489768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270416 (or 270412 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 6489768 is about 2547.5023061815. The cubic root of 6489768 is about 186.5275806326.

The spelling of 6489768 in words is "six million, four hundred eighty-nine thousand, seven hundred sixty-eight".