6428653 has 12 divisors (see below), whose sum is σ = 8158752. Its totient is φ = 5008920.

The previous prime is 6428651. The next prime is 6428671. The reversal of 6428653 is 3568246.

It is a happy number.

It is not a de Polignac number, because 6428653 - 2¹ = 6428651 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5425 + ... + 6502.

It is an arithmetic number, because the mean of its divisors is an integer number (679896).

Almost surely, 2^6428653 is an apocalyptic number.

It is an amenable number.

6428653 is a deficient number, since it is larger than the sum of its proper divisors (1730099).

6428653 is a wasteful number, since it uses less digits than its factorization.

6428653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11952 (or 11945 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 6428653 is about 2535.4788502372. The cubic root of 6428653 is about 185.9402147239.

The spelling of 6428653 in words is "six million, four hundred twenty-eight thousand, six hundred fifty-three".