6840984 has 32 divisors (see below), whose sum is σ = 17694000. Its totient is φ = 2201472.

The previous prime is 6840983. The next prime is 6840989. The reversal of 6840984 is 4890486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4219 + ... + 5610.

Almost surely, 2^6840984 is an apocalyptic number.

It is an amenable number.

6840984 is an abundant number, since it is smaller than the sum of its proper divisors (10853016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6840984 is a wasteful number, since it uses less digits than its factorization.

6840984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9867 (or 9863 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 6840984 is about 2615.5274802609. The cubic root of 6840984 is about 189.8335014146.

The spelling of 6840984 in words is "six million, eight hundred forty thousand, nine hundred eighty-four".