6489718 has 4 divisors (see below), whose sum is σ = 9734580. Its totient is φ = 3244858.

The previous prime is 6489709. The next prime is 6489719. The reversal of 6489718 is 8179846.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489719) 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 as a sum of consecutive naturals, namely, 1622428 + ... + 1622431.

It is an arithmetic number, because the mean of its divisors is an integer number (2433645).

Almost surely, 2^6489718 is an apocalyptic number.

6489718 is a deficient number, since it is larger than the sum of its proper divisors (3244862).

6489718 is a wasteful number, since it uses less digits than its factorization.

6489718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244861.

The product of its digits is 96768, while the sum is 43.

The square root of 6489718 is about 2547.4924926288. The cubic root of 6489718 is about 186.5271016014.

The spelling of 6489718 in words is "six million, four hundred eighty-nine thousand, seven hundred eighteen".