6820980 has 24 divisors (see below), whose sum is σ = 19098912. Its totient is φ = 1818912.

The previous prime is 6820973. The next prime is 6820991. The reversal of 6820980 is 890286.

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, 56782 + ... + 56901.

It is an arithmetic number, because the mean of its divisors is an integer number (795788).

Almost surely, 2^6820980 is an apocalyptic number.

6820980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6820980 is an abundant number, since it is smaller than the sum of its proper divisors (12277932).

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

6820980 is a wasteful number, since it uses less digits than its factorization.

6820980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113695 (or 113693 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 6820980 is about 2611.7005953976. The cubic root of 6820980 is about 189.6482874750.

The spelling of 6820980 in words is "six million, eight hundred twenty thousand, nine hundred eighty".