6858387 has 12 divisors (see below), whose sum is σ = 10047024. Its totient is φ = 4507440.

The previous prime is 6858353. The next prime is 6858403. The reversal of 6858387 is 7838586.

6858387 is a `hidden beast` number, since 68 + 583 + 8 + 7 = 666.

6858387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6858387 - 2²² = 2664083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6858307) 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 11 ways as a sum of consecutive naturals, for example, 4728 + ... + 6005.

It is an arithmetic number, because the mean of its divisors is an integer number (837252).

Almost surely, 2^6858387 is an apocalyptic number.

6858387 is a deficient number, since it is larger than the sum of its proper divisors (3188637).

6858387 is a wasteful number, since it uses less digits than its factorization.

6858387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10810 (or 10807 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 6858387 is about 2618.8522295082. The cubic root of 6858387 is about 189.9943396282.

The spelling of 6858387 in words is "six million, eight hundred fifty-eight thousand, three hundred eighty-seven".