6428673 has 8 divisors (see below), whose sum is σ = 9524000. Its totient is φ = 4285764.

The previous prime is 6428671. The next prime is 6428693. The reversal of 6428673 is 3768246.

6428673 is a `hidden beast` number, since 642 + 8 + 6 + 7 + 3 = 666.

It is not a de Polignac number, because 6428673 - 2¹ = 6428671 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6428671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119023 + ... + 119076.

It is an arithmetic number, because the mean of its divisors is an integer number (1190500).

Almost surely, 2^6428673 is an apocalyptic number.

It is an amenable number.

6428673 is a deficient number, since it is larger than the sum of its proper divisors (3095327).

6428673 is a wasteful number, since it uses less digits than its factorization.

6428673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238108 (or 238102 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 6428673 is about 2535.4827942623. The cubic root of 6428673 is about 185.9404075482.

The spelling of 6428673 in words is "six million, four hundred twenty-eight thousand, six hundred seventy-three".