6489866 has 8 divisors (see below), whose sum is σ = 9751104. Its totient is φ = 3239500.

The previous prime is 6489863. The next prime is 6489877. The reversal of 6489866 is 6689846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6489866.

It is not an unprimeable number, because it can be changed into a prime (6489863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010 + ... + 3741.

It is an arithmetic number, because the mean of its divisors is an integer number (1218888).

Almost surely, 2^6489866 is an apocalyptic number.

6489866 is a deficient number, since it is larger than the sum of its proper divisors (3261238).

6489866 is a wasteful number, since it uses less digits than its factorization.

6489866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5436.

The product of its digits is 497664, while the sum is 47.

The square root of 6489866 is about 2547.5215406351. The cubic root of 6489866 is about 186.5285195265.

The spelling of 6489866 in words is "six million, four hundred eighty-nine thousand, eight hundred sixty-six".