2791080 has 48 divisors (see below), whose sum is σ = 9072180. Its totient is φ = 744192.

The previous prime is 2791069. The next prime is 2791091. The reversal of 2791080 is 801972.

It is an interprime number because it is at equal distance from previous prime (2791069) and next prime (2791091).

It can be written as a sum of positive squares in 2 ways, for example, as 2566404 + 224676 = 1602^2 + 474^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3517 + ... + 4236.

2^2791080 is an apocalyptic number.

2791080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2791080 is an abundant number, since it is smaller than the sum of its proper divisors (6281100).

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

2791080 is a wasteful number, since it uses less digits than its factorization.

2791080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7770 (or 7763 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 2791080 is about 1670.6525671126. The cubic root of 2791080 is about 140.7961442212.

The spelling of 2791080 in words is "two million, seven hundred ninety-one thousand, eighty".