7956980 has 12 divisors (see below), whose sum is σ = 16709700. Its totient is φ = 3182784.

The previous prime is 7956979. The next prime is 7956983. The reversal of 7956980 is 896597.

It can be written as a sum of positive squares in 2 ways, for example, as 1865956 + 6091024 = 1366^2 + 2468^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7956983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198905 + ... + 198944.

It is an arithmetic number, because the mean of its divisors is an integer number (1392475).

Almost surely, 2^7956980 is an apocalyptic number.

It is an amenable number.

7956980 is an abundant number, since it is smaller than the sum of its proper divisors (8752720).

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

7956980 is a wasteful number, since it uses less digits than its factorization.

7956980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397858 (or 397856 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 7956980 is about 2820.8119398499. The cubic root of 7956980 is about 199.6408554620.

The spelling of 7956980 in words is "seven million, nine hundred fifty-six thousand, nine hundred eighty".