6489889 has 8 divisors (see below), whose sum is σ = 7449728. Its totient is φ = 5538240.

The previous prime is 6489883. The next prime is 6489893. The reversal of 6489889 is 9889846.

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 6489889 - 2¹¹ = 6487841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6489883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237 + ... + 3610.

It is an arithmetic number, because the mean of its divisors is an integer number (931216).

Almost surely, 2^6489889 is an apocalyptic number.

It is an amenable number.

6489889 is a deficient number, since it is larger than the sum of its proper divisors (959839).

6489889 is a wasteful number, since it uses less digits than its factorization.

6489889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095.

The product of its digits is 995328, while the sum is 52.

The square root of 6489889 is about 2547.5260548226. The cubic root of 6489889 is about 186.5287398778.

The spelling of 6489889 in words is "six million, four hundred eighty-nine thousand, eight hundred eighty-nine".