6489659 has 8 divisors (see below), whose sum is σ = 7452480. Its totient is φ = 5589000.

The previous prime is 6489653. The next prime is 6489667. The reversal of 6489659 is 9569846.

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

It is a cyclic number.

It is not a de Polignac number, because 6489659 - 2¹⁶ = 6424123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6489653) 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 in 7 ways as a sum of consecutive naturals, for example, 15317 + ... + 15734.

It is an arithmetic number, because the mean of its divisors is an integer number (931560).

Almost surely, 2^6489659 is an apocalyptic number.

6489659 is a deficient number, since it is larger than the sum of its proper divisors (962821).

6489659 is a wasteful number, since it uses less digits than its factorization.

6489659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31081.

The product of its digits is 466560, while the sum is 47.

The square root of 6489659 is about 2547.4809125880. The cubic root of 6489659 is about 186.5265363415.

The spelling of 6489659 in words is "six million, four hundred eighty-nine thousand, six hundred fifty-nine".