6428328 has 32 divisors (see below), whose sum is σ = 16447200. Its totient is φ = 2092608.

The previous prime is 6428311. The next prime is 6428353. The reversal of 6428328 is 8238246.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083 + ... + 4146.

It is an arithmetic number, because the mean of its divisors is an integer number (513975).

Almost surely, 2^6428328 is an apocalyptic number.

It is an amenable number.

6428328 is an abundant number, since it is smaller than the sum of its proper divisors (10018872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6428328 is a wasteful number, since it uses less digits than its factorization.

6428328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6281 (or 6277 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 6428328 is about 2535.4147589694. The cubic root of 6428328 is about 185.9370812739.

The spelling of 6428328 in words is "six million, four hundred twenty-eight thousand, three hundred twenty-eight".