6428804 has 6 divisors (see below), whose sum is σ = 11250414. Its totient is φ = 3214400.

The previous prime is 6428803. The next prime is 6428809. The reversal of 6428804 is 4088246.

It can be written as a sum of positive squares in only one way, i.e., 5522500 + 906304 = 2350^2 + 952^2 .

It is not an unprimeable number, because it can be changed into a prime (6428803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803597 + ... + 803604.

It is an arithmetic number, because the mean of its divisors is an integer number (1875069).

Almost surely, 2^6428804 is an apocalyptic number.

It is an amenable number.

6428804 is a deficient number, since it is larger than the sum of its proper divisors (4821610).

6428804 is a wasteful number, since it uses less digits than its factorization.

6428804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607205 (or 1607203 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 6428804 is about 2535.5086274750. The cubic root of 6428804 is about 185.9416705371.

The spelling of 6428804 in words is "six million, four hundred twenty-eight thousand, eight hundred four".