6424657 has 16 divisors (see below), whose sum is σ = 7160832. Its totient is φ = 5736960.

The previous prime is 6424637. The next prime is 6424661. The reversal of 6424657 is 7564246.

6424657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6424657 - 2⁷ = 6424529 is a prime.

It is a Duffinian number.

Its product of digits (40320) is a multiple of the sum of its prime divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6424637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38388 + ... + 38554.

It is an arithmetic number, because the mean of its divisors is an integer number (447552).

Almost surely, 2^6424657 is an apocalyptic number.

It is an amenable number.

6424657 is a deficient number, since it is larger than the sum of its proper divisors (736175).

6424657 is a wasteful number, since it uses less digits than its factorization.

6424657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288.

The product of its digits is 40320, while the sum is 34.

The square root of 6424657 is about 2534.6907109152. The cubic root of 6424657 is about 185.9016804150.

The spelling of 6424657 in words is "six million, four hundred twenty-four thousand, six hundred fifty-seven".