6823980 has 48 divisors (see below), whose sum is σ = 21231840. Its totient is φ = 1819584.

The previous prime is 6823963. The next prime is 6823991. The reversal of 6823980 is 893286.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5779 + ... + 6858.

It is an arithmetic number, because the mean of its divisors is an integer number (442330).

Almost surely, 2^6823980 is an apocalyptic number.

6823980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6823980 is an abundant number, since it is smaller than the sum of its proper divisors (14407860).

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

6823980 is a wasteful number, since it uses less digits than its factorization.

6823980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12655 (or 12647 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 6823980 is about 2612.2748706826. The cubic root of 6823980 is about 189.6760870713.

The spelling of 6823980 in words is "six million, eight hundred twenty-three thousand, nine hundred eighty".