6788820 has 24 divisors (see below), whose sum is σ = 19008864. Its totient is φ = 1810336.

The previous prime is 6788801. The next prime is 6788839. The reversal of 6788820 is 288876.

It is an interprime number because it is at equal distance from previous prime (6788801) and next prime (6788839).

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 7 ways as a sum of consecutive naturals, for example, 56514 + ... + 56633.

It is an arithmetic number, because the mean of its divisors is an integer number (792036).

Almost surely, 2^6788820 is an apocalyptic number.

6788820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6788820 is an abundant number, since it is smaller than the sum of its proper divisors (12220044).

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

6788820 is a wasteful number, since it uses less digits than its factorization.

6788820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113159 (or 113157 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 6788820 is about 2605.5364131019. The cubic root of 6788820 is about 189.3497624550.

The spelling of 6788820 in words is "six million, seven hundred eighty-eight thousand, eight hundred twenty".