6818047 has 4 divisors (see below), whose sum is σ = 7038016. Its totient is φ = 6598080.

The previous prime is 6818041. The next prime is 6818057. The reversal of 6818047 is 7408186.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6818047 - 2¹⁵ = 6785279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6818041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109938 + ... + 109999.

It is an arithmetic number, because the mean of its divisors is an integer number (1759504).

Almost surely, 2^6818047 is an apocalyptic number.

6818047 is a deficient number, since it is larger than the sum of its proper divisors (219969).

6818047 is a wasteful number, since it uses less digits than its factorization.

6818047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219968.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 6818047 is about 2611.1390234915. The cubic root of 6818047 is about 189.6211008550.

The spelling of 6818047 in words is "six million, eight hundred eighteen thousand, forty-seven".