6489911 has 4 divisors (see below), whose sum is σ = 6665352. Its totient is φ = 6314472.

The previous prime is 6489893. The next prime is 6489913. The reversal of 6489911 is 1199846.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6489911 - 2¹⁰ = 6488887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489913) 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, 87665 + ... + 87738.

It is an arithmetic number, because the mean of its divisors is an integer number (1666338).

Almost surely, 2^6489911 is an apocalyptic number.

6489911 is a deficient number, since it is larger than the sum of its proper divisors (175441).

6489911 is a wasteful number, since it uses less digits than its factorization.

6489911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175440.

The product of its digits is 15552, while the sum is 38.

The square root of 6489911 is about 2547.5303727336. The cubic root of 6489911 is about 186.5289506481.

The spelling of 6489911 in words is "six million, four hundred eighty-nine thousand, nine hundred eleven".