6804660 has 96 divisors (see below), whose sum is σ = 20643840. Its totient is φ = 1669248.

The previous prime is 6804649. The next prime is 6804661. The reversal of 6804660 is 664086.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6804661) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 53517 + ... + 53643.

It is an arithmetic number, because the mean of its divisors is an integer number (215040).

Almost surely, 2^6804660 is an apocalyptic number.

6804660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6804660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10321920).

6804660 is an abundant number, since it is smaller than the sum of its proper divisors (13839180).

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

6804660 is a wasteful number, since it uses less digits than its factorization.

6804660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 6804660 is about 2608.5743232655. The cubic root of 6804660 is about 189.4969147118.

The spelling of 6804660 in words is "six million, eight hundred four thousand, six hundred sixty".