6811849 has 16 divisors (see below), whose sum is σ = 7992000. Its totient is φ = 5736960.

The previous prime is 6811843. The next prime is 6811853. The reversal of 6811849 is 9481186.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6811849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6811843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13402 + ... + 13900.

It is an arithmetic number, because the mean of its divisors is an integer number (499500).

Almost surely, 2^6811849 is an apocalyptic number.

It is an amenable number.

6811849 is a deficient number, since it is larger than the sum of its proper divisors (1180151).

6811849 is a wasteful number, since it uses less digits than its factorization.

6811849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600.

The product of its digits is 13824, while the sum is 37.

The square root of 6811849 is about 2609.9519152659. The cubic root of 6811849 is about 189.5636245771.

The spelling of 6811849 in words is "six million, eight hundred eleven thousand, eight hundred forty-nine".