6424669 has 2 divisors, whose sum is σ = 6424670. Its totient is φ = 6424668.

The previous prime is 6424661. The next prime is 6424681. The reversal of 6424669 is 9664246.

6424669 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 can be written as a sum of positive squares in only one way, i.e., 3404025 + 3020644 = 1845^2 + 1738^2 .

It is a cyclic number.

It is not a de Polignac number, because 6424669 - 2³ = 6424661 is a prime.

It is a super-2 number, since 2×6424669² = 82552743519122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6424661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212334 + 3212335.

It is an arithmetic number, because the mean of its divisors is an integer number (3212335).

Almost surely, 2^6424669 is an apocalyptic number.

It is an amenable number.

6424669 is a deficient number, since it is larger than the sum of its proper divisors (1).

6424669 is an equidigital number, since it uses as much as digits as its factorization.

6424669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 6424669 is about 2534.6930780668. The cubic root of 6424669 is about 185.9017961575.

The spelling of 6424669 in words is "six million, four hundred twenty-four thousand, six hundred sixty-nine".