6626849 has 2 divisors, whose sum is σ = 6626850. Its totient is φ = 6626848.

The previous prime is 6626833. The next prime is 6626861. The reversal of 6626849 is 9486266.

6626849 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6466849 + 160000 = 2543^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 6626849 - 2⁴ = 6626833 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6326849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3313424 + 3313425.

It is an arithmetic number, because the mean of its divisors is an integer number (3313425).

Almost surely, 2^6626849 is an apocalyptic number.

It is an amenable number.

6626849 is a deficient number, since it is larger than the sum of its proper divisors (1).

6626849 is an equidigital number, since it uses as much as digits as its factorization.

6626849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 6626849 is about 2574.2666917008. The cubic root of 6626849 is about 187.8317587207.

The spelling of 6626849 in words is "six million, six hundred twenty-six thousand, eight hundred forty-nine".