6855188 has 6 divisors (see below), whose sum is σ = 11996586. Its totient is φ = 3427592.

The previous prime is 6855187. The next prime is 6855197. The reversal of 6855188 is 8815586.

It can be written as a sum of positive squares in only one way, i.e., 4787344 + 2067844 = 2188^2 + 1438^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6855187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856895 + ... + 856902.

It is an arithmetic number, because the mean of its divisors is an integer number (1999431).

Almost surely, 2^6855188 is an apocalyptic number.

It is an amenable number.

6855188 is a deficient number, since it is larger than the sum of its proper divisors (5141398).

6855188 is a wasteful number, since it uses less digits than its factorization.

6855188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713801 (or 1713799 counting only the distinct ones).

The product of its digits is 76800, while the sum is 41.

The square root of 6855188 is about 2618.2413945242. The cubic root of 6855188 is about 189.9647949546.

The spelling of 6855188 in words is "six million, eight hundred fifty-five thousand, one hundred eighty-eight".