6854987 has 2 divisors, whose sum is σ = 6854988. Its totient is φ = 6854986.

The previous prime is 6854983. The next prime is 6854993. The reversal of 6854987 is 7894586.

6854987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6854987 - 2² = 6854983 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6³ + 8³ + 5⁹ + 4 + 9⁷ + 8³ + 7⁶ .

It is not a weakly prime, because it can be changed into another prime (6854983) 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 as a sum of consecutive naturals, namely, 3427493 + 3427494.

It is an arithmetic number, because the mean of its divisors is an integer number (3427494).

Almost surely, 2^6854987 is an apocalyptic number.

6854987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6854987 is an equidigital number, since it uses as much as digits as its factorization.

6854987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 47.

The square root of 6854987 is about 2618.2030096996. The cubic root of 6854987 is about 189.9629382929.

It can be divided in two parts, 68 and 54987, that added together give a palindrome (55055).

The spelling of 6854987 in words is "six million, eight hundred fifty-four thousand, nine hundred eighty-seven".