6840304 has 20 divisors (see below), whose sum is σ = 13951240. Its totient is φ = 3240000.

The previous prime is 6840299. The next prime is 6840313. The reversal of 6840304 is 4030486.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10947 + ... + 11554.

It is an arithmetic number, because the mean of its divisors is an integer number (697562).

Almost surely, 2^6840304 is an apocalyptic number.

It is an amenable number.

6840304 is an abundant number, since it is smaller than the sum of its proper divisors (7110936).

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

6840304 is a wasteful number, since it uses less digits than its factorization.

6840304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22528 (or 22522 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 6840304 is about 2615.3974841312. The cubic root of 6840304 is about 189.8272113322.

The spelling of 6840304 in words is "six million, eight hundred forty thousand, three hundred four".