6979980 has 48 divisors (see below), whose sum is σ = 22337280. Its totient is φ = 1595328.

The previous prime is 6979967. The next prime is 6980021. The reversal of 6979980 is 899796.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7890 + ... + 8729.

It is an arithmetic number, because the mean of its divisors is an integer number (465360).

Almost surely, 2^6979980 is an apocalyptic number.

6979980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6979980 is an abundant number, since it is smaller than the sum of its proper divisors (15357300).

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

6979980 is a wasteful number, since it uses less digits than its factorization.

6979980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16638 (or 16636 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 6979980 is about 2641.9651776660. The cubic root of 6979980 is about 191.1105780387.

The spelling of 6979980 in words is "six million, nine hundred seventy-nine thousand, nine hundred eighty".