6289663 has 2 divisors, whose sum is σ = 6289664. Its totient is φ = 6289662.

The previous prime is 6289631. The next prime is 6289697. The reversal of 6289663 is 3669826.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6289663 - 2⁵ = 6289631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6289163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3144831 + 3144832.

It is an arithmetic number, because the mean of its divisors is an integer number (3144832).

Almost surely, 2^6289663 is an apocalyptic number.

6289663 is a deficient number, since it is larger than the sum of its proper divisors (1).

6289663 is an equidigital number, since it uses as much as digits as its factorization.

6289663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

The square root of 6289663 is about 2507.9200545472. The cubic root of 6289663 is about 184.5904062137.

The spelling of 6289663 in words is "six million, two hundred eighty-nine thousand, six hundred sixty-three".