6818818 has 4 divisors (see below), whose sum is σ = 10228230. Its totient is φ = 3409408.

The previous prime is 6818803. The next prime is 6818827. The reversal of 6818818 is 8188186.

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

It can be written as a sum of positive squares in only one way, i.e., 5442889 + 1375929 = 2333^2 + 1173^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1704703 + ... + 1704706.

Almost surely, 2^6818818 is an apocalyptic number.

6818818 is a deficient number, since it is larger than the sum of its proper divisors (3409412).

6818818 is a wasteful number, since it uses less digits than its factorization.

6818818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409411.

The product of its digits is 24576, while the sum is 40.

The square root of 6818818 is about 2611.2866560376. The cubic root of 6818818 is about 189.6282481783.

The spelling of 6818818 in words is "six million, eight hundred eighteen thousand, eight hundred eighteen".