6489964 has 24 divisors (see below), whose sum is σ = 12333888. Its totient is φ = 2970240.

The previous prime is 6489953. The next prime is 6489983. The reversal of 6489964 is 4699846.

It is an unprimeable number.

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, 6669 + ... + 7579.

It is an arithmetic number, because the mean of its divisors is an integer number (513912).

Almost surely, 2^6489964 is an apocalyptic number.

It is an amenable number.

6489964 is a deficient number, since it is larger than the sum of its proper divisors (5843924).

6489964 is a wasteful number, since it uses less digits than its factorization.

6489964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065 (or 1063 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 6489964 is about 2547.5407749436. The cubic root of 6489964 is about 186.5294584109.

The spelling of 6489964 in words is "six million, four hundred eighty-nine thousand, nine hundred sixty-four".