6789660 has 24 divisors (see below), whose sum is σ = 19011216. Its totient is φ = 1810560.

The previous prime is 6789637. The next prime is 6789701. The reversal of 6789660 is 669876.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56521 + ... + 56640.

It is an arithmetic number, because the mean of its divisors is an integer number (792134).

Almost surely, 2^6789660 is an apocalyptic number.

6789660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6789660 is an abundant number, since it is smaller than the sum of its proper divisors (12221556).

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

6789660 is a wasteful number, since it uses less digits than its factorization.

6789660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113173 (or 113171 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 6789660 is about 2605.6976033301. The cubic root of 6789660 is about 189.3575717277.

The spelling of 6789660 in words is "six million, seven hundred eighty-nine thousand, six hundred sixty".