6840584 has 16 divisors (see below), whose sum is σ = 13240320. Its totient is φ = 3309840.

The previous prime is 6840583. The next prime is 6840619. The reversal of 6840584 is 4850486.

It is a super-2 number, since 2×6840584² = 93587178922112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (6840583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13544 + ... + 14039.

It is an arithmetic number, because the mean of its divisors is an integer number (827520).

Almost surely, 2^6840584 is an apocalyptic number.

It is an amenable number.

6840584 is a deficient number, since it is larger than the sum of its proper divisors (6399736).

6840584 is a wasteful number, since it uses less digits than its factorization.

6840584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27620 (or 27616 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 6840584 is about 2615.4510127318. The cubic root of 6840584 is about 189.8298014166.

The spelling of 6840584 in words is "six million, eight hundred forty thousand, five hundred eighty-four".