7982980 has 12 divisors (see below), whose sum is σ = 16764300. Its totient is φ = 3193184.

The previous prime is 7982977. The next prime is 7982981. The reversal of 7982980 is 892897.

It can be written as a sum of positive squares in 2 ways, for example, as 4227136 + 3755844 = 2056^2 + 1938^2 .

It is not an unprimeable number, because it can be changed into a prime (7982981) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 199555 + ... + 199594.

It is an arithmetic number, because the mean of its divisors is an integer number (1397025).

Almost surely, 2^7982980 is an apocalyptic number.

It is an amenable number.

7982980 is an abundant number, since it is smaller than the sum of its proper divisors (8781320).

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

7982980 is a wasteful number, since it uses less digits than its factorization.

7982980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399158 (or 399156 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 7982980 is about 2825.4167834144. The cubic root of 7982980 is about 199.8580659641.

The spelling of 7982980 in words is "seven million, nine hundred eighty-two thousand, nine hundred eighty".