6855044 has 24 divisors (see below), whose sum is σ = 14004480. Its totient is φ = 2874816.

The previous prime is 6855041. The next prime is 6855059. The reversal of 6855044 is 4405586.

6855044 = 322² + 323² + ... + 377².

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6855044.

It is not an unprimeable number, because it can be changed into a prime (6855041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289 + ... + 3920.

It is an arithmetic number, because the mean of its divisors is an integer number (583520).

Almost surely, 2^6855044 is an apocalyptic number.

It is an amenable number.

6855044 is an abundant number, since it is smaller than the sum of its proper divisors (7149436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6855044 is a wasteful number, since it uses less digits than its factorization.

6855044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267 (or 5265 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 6855044 is about 2618.2138950055. The cubic root of 6855044 is about 189.9634648126.

The spelling of 6855044 in words is "six million, eight hundred fifty-five thousand, forty-four".