6649883 has 2 divisors, whose sum is σ = 6649884. Its totient is φ = 6649882.

The previous prime is 6649871. The next prime is 6649891. The reversal of 6649883 is 3889466.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6649883 - 2⁸ = 6649627 is a prime.

It is not a weakly prime, because it can be changed into another prime (6649823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3324941 + 3324942.

It is an arithmetic number, because the mean of its divisors is an integer number (3324942).

Almost surely, 2^6649883 is an apocalyptic number.

6649883 is a deficient number, since it is larger than the sum of its proper divisors (1).

6649883 is an equidigital number, since it uses as much as digits as its factorization.

6649883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 6649883 is about 2578.7367062188. The cubic root of 6649883 is about 188.0491326993.

The spelling of 6649883 in words is "six million, six hundred forty-nine thousand, eight hundred eighty-three".