6804538 has 8 divisors (see below), whose sum is σ = 10991988. Its totient is φ = 3140544.

The previous prime is 6804517. The next prime is 6804557. The reversal of 6804538 is 8354086.

It can be written as a sum of positive squares in 2 ways, for example, as 6185169 + 619369 = 2487^2 + 787^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130831 + ... + 130882.

Almost surely, 2^6804538 is an apocalyptic number.

6804538 is a deficient number, since it is larger than the sum of its proper divisors (4187450).

6804538 is a wasteful number, since it uses less digits than its factorization.

6804538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261728.

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

The square root of 6804538 is about 2608.5509387397. The cubic root of 6804538 is about 189.4957822153.

The spelling of 6804538 in words is "six million, eight hundred four thousand, five hundred thirty-eight".