6885199 has 2 divisors, whose sum is σ = 6885200. Its totient is φ = 6885198.

The previous prime is 6885173. The next prime is 6885217. The reversal of 6885199 is 9915886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6885199 - 2⁵ = 6885167 is a prime.

6885199 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6885139) 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 as a sum of consecutive naturals, namely, 3442599 + 3442600.

It is an arithmetic number, because the mean of its divisors is an integer number (3442600).

Almost surely, 2^6885199 is an apocalyptic number.

6885199 is a deficient number, since it is larger than the sum of its proper divisors (1).

6885199 is an equidigital number, since it uses as much as digits as its factorization.

6885199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 46.

The square root of 6885199 is about 2623.9662726491. The cubic root of 6885199 is about 190.2416040035.

The spelling of 6885199 in words is "six million, eight hundred eighty-five thousand, one hundred ninety-nine".