6804387 has 6 divisors (see below), whose sum is σ = 9828572. Its totient is φ = 4536252.

The previous prime is 6804377. The next prime is 6804397. The reversal of 6804387 is 7834086.

It is an interprime number because it is at equal distance from previous prime (6804377) and next prime (6804397).

It is not a de Polignac number, because 6804387 - 2¹² = 6800291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6804377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 378013 + ... + 378030.

Almost surely, 2^6804387 is an apocalyptic number.

6804387 is a deficient number, since it is larger than the sum of its proper divisors (3024185).

6804387 is a wasteful number, since it uses less digits than its factorization.

6804387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756049 (or 756046 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 6804387 is about 2608.5219953069. The cubic root of 6804387 is about 189.4943805000.

The spelling of 6804387 in words is "six million, eight hundred four thousand, three hundred eighty-seven".