6489189 has 48 divisors (see below), whose sum is σ = 11636352. Its totient is φ = 3400704.

The previous prime is 6489179. The next prime is 6489209. The reversal of 6489189 is 9819846.

It is not a de Polignac number, because 6489189 - 2¹³ = 6480997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489179) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78142 + ... + 78224.

It is an arithmetic number, because the mean of its divisors is an integer number (242424).

Almost surely, 2^6489189 is an apocalyptic number.

It is an amenable number.

6489189 is a deficient number, since it is larger than the sum of its proper divisors (5147163).

6489189 is a wasteful number, since it uses less digits than its factorization.

6489189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 183 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 6489189 is about 2547.3886629252. The cubic root of 6489189 is about 186.5220333012.

It can be divided in two parts, 64891 and 89, that added together give a triangular number (64980 = T₃₆₀).

The spelling of 6489189 in words is "six million, four hundred eighty-nine thousand, one hundred eighty-nine".