6488668 has 12 divisors (see below), whose sum is σ = 11849040. Its totient is φ = 3103232.

The previous prime is 6488639. The next prime is 6488681. The reversal of 6488668 is 8668846.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

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, 35173 + ... + 35356.

It is an arithmetic number, because the mean of its divisors is an integer number (987420).

Almost surely, 2^6488668 is an apocalyptic number.

It is an amenable number.

6488668 is a deficient number, since it is larger than the sum of its proper divisors (5360372).

6488668 is a wasteful number, since it uses less digits than its factorization.

6488668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70556 (or 70554 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 6488668 is about 2547.2863992885. The cubic root of 6488668 is about 186.5170413790.

It can be divided in two parts, 648 and 8668, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 6488668 in words is "six million, four hundred eighty-eight thousand, six hundred sixty-eight".