6853805 has 16 divisors (see below), whose sum is σ = 9953280. Its totient is φ = 4422912.

The previous prime is 6853787. The next prime is 6853807. The reversal of 6853805 is 5083586.

It is a cyclic number.

It is not a de Polignac number, because 6853805 - 2⁸ = 6853549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6853807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5165 + ... + 6354.

It is an arithmetic number, because the mean of its divisors is an integer number (622080).

Almost surely, 2^6853805 is an apocalyptic number.

It is an amenable number.

6853805 is a deficient number, since it is larger than the sum of its proper divisors (3099475).

6853805 is a wasteful number, since it uses less digits than its factorization.

6853805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11548.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 6853805 is about 2617.9772726286. The cubic root of 6853805 is about 189.9520192787.

The spelling of 6853805 in words is "six million, eight hundred fifty-three thousand, eight hundred five".