6486979 has 12 divisors (see below), whose sum is σ = 7071192. Its totient is φ = 5930240.

The previous prime is 6486973. The next prime is 6487001. The reversal of 6486979 is 9796846.

It is not a de Polignac number, because 6486979 - 2⁵ = 6486947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6486973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28464 + ... + 28690.

It is an arithmetic number, because the mean of its divisors is an integer number (589266).

Almost surely, 2^6486979 is an apocalyptic number.

6486979 is a deficient number, since it is larger than the sum of its proper divisors (584213).

6486979 is a wasteful number, since it uses less digits than its factorization.

6486979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 285 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 6486979 is about 2546.9548484416. The cubic root of 6486979 is about 186.5008565153.

The spelling of 6486979 in words is "six million, four hundred eighty-six thousand, nine hundred seventy-nine".