6498979 has 2 divisors, whose sum is σ = 6498980. Its totient is φ = 6498978.

The previous prime is 6498959. The next prime is 6499037. The reversal of 6498979 is 9798946.

6498979 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6498979 is a prime.

It is not a weakly prime, because it can be changed into another prime (6498959) 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 as a sum of consecutive naturals, namely, 3249489 + 3249490.

It is an arithmetic number, because the mean of its divisors is an integer number (3249490).

Almost surely, 2^6498979 is an apocalyptic number.

6498979 is a deficient number, since it is larger than the sum of its proper divisors (1).

6498979 is an equidigital number, since it uses as much as digits as its factorization.

6498979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 52.

The square root of 6498979 is about 2549.3095143587. The cubic root of 6498979 is about 186.6157858064.

The spelling of 6498979 in words is "six million, four hundred ninety-eight thousand, nine hundred seventy-nine".