6490879 has 2 divisors, whose sum is σ = 6490880. Its totient is φ = 6490878.

The previous prime is 6490871. The next prime is 6490903. The reversal of 6490879 is 9780946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6490879 - 2³ = 6490871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6490871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3245439 + 3245440.

It is an arithmetic number, because the mean of its divisors is an integer number (3245440).

Almost surely, 2^6490879 is an apocalyptic number.

6490879 is a deficient number, since it is larger than the sum of its proper divisors (1).

6490879 is an equidigital number, since it uses as much as digits as its factorization.

6490879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 6490879 is about 2547.7203535710. The cubic root of 6490879 is about 186.5382240699.

The spelling of 6490879 in words is "six million, four hundred ninety thousand, eight hundred seventy-nine".