6442028 has 12 divisors (see below), whose sum is σ = 11331600. Its totient is φ = 3204432.

The previous prime is 6442021. The next prime is 6442039. The reversal of 6442028 is 8202446.

It is a junction number, because it is equal to n+sod(n) for n = 6441988 and 6442006.

It is not an unprimeable number, because it can be changed into a prime (6442021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3251 + ... + 4842.

It is an arithmetic number, because the mean of its divisors is an integer number (944300).

Almost surely, 2^6442028 is an apocalyptic number.

It is an amenable number.

6442028 is a deficient number, since it is larger than the sum of its proper divisors (4889572).

6442028 is a wasteful number, since it uses less digits than its factorization.

6442028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8296 (or 8294 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 6442028 is about 2538.1150486138. The cubic root of 6442028 is about 186.0690767441.

The spelling of 6442028 in words is "six million, four hundred forty-two thousand, twenty-eight".