6538804 has 12 divisors (see below), whose sum is σ = 11837700. Its totient is φ = 3156608.

The previous prime is 6538789. The next prime is 6538813. The reversal of 6538804 is 4088356.

It can be written as a sum of positive squares in 2 ways, for example, as 1690000 + 4848804 = 1300^2 + 2202^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6538804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28069 + ... + 28300.

It is an arithmetic number, because the mean of its divisors is an integer number (986475).

Almost surely, 2^6538804 is an apocalyptic number.

It is an amenable number.

6538804 is a deficient number, since it is larger than the sum of its proper divisors (5298896).

6538804 is a wasteful number, since it uses less digits than its factorization.

6538804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56402 (or 56400 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 6538804 is about 2557.1085233130. The cubic root of 6538804 is about 186.9961965539.

The spelling of 6538804 in words is "six million, five hundred thirty-eight thousand, eight hundred four".