6428079 has 24 divisors (see below), whose sum is σ = 11007360. Its totient is φ = 3672216.

The previous prime is 6428041. The next prime is 6428083. The reversal of 6428079 is 9708246.

6428079 is a `hidden beast` number, since 642 + 8 + 0 + 7 + 9 = 666.

6428079 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6428079 - 2⁷ = 6427951 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

6428079 is strictly pandigital in base 8.

6428079 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189 + ... + 3590.

It is an arithmetic number, because the mean of its divisors is an integer number (458640).

Almost surely, 2^6428079 is an apocalyptic number.

6428079 is a deficient number, since it is larger than the sum of its proper divisors (4579281).

6428079 is an equidigital number, since it uses as much as digits as its factorization.

6428079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801 (or 3789 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 6428079 is about 2535.3656541020. The cubic root of 6428079 is about 185.9346804977.

The spelling of 6428079 in words is "six million, four hundred twenty-eight thousand, seventy-nine".