6861585 has 16 divisors (see below), whose sum is σ = 11160000. Its totient is φ = 3599040.

The previous prime is 6861583. The next prime is 6861601. The reversal of 6861585 is 5851686.

It is not a de Polignac number, because 6861585 - 2¹ = 6861583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6861581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2835 + ... + 4664.

It is an arithmetic number, because the mean of its divisors is an integer number (697500).

Almost surely, 2^6861585 is an apocalyptic number.

It is an amenable number.

6861585 is a deficient number, since it is larger than the sum of its proper divisors (4298415).

6861585 is a wasteful number, since it uses less digits than its factorization.

6861585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7568.

The product of its digits is 57600, while the sum is 39.

The square root of 6861585 is about 2619.4627311722. The cubic root of 6861585 is about 190.0238658848.

The spelling of 6861585 in words is "six million, eight hundred sixty-one thousand, five hundred eighty-five".