2881316 has 12 divisors (see below), whose sum is σ = 5165580. Its totient is φ = 1405440.

The previous prime is 2881303. The next prime is 2881327. The reversal of 2881316 is 6131882.

It can be written as a sum of positive squares in 2 ways, for example, as 92416 + 2788900 = 304^2 + 1670^2 .

It is an unprimeable number.

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, 8621 + ... + 8948.

It is an arithmetic number, because the mean of its divisors is an integer number (430465).

2^2881316 is an apocalyptic number.

It is an amenable number.

2881316 is a deficient number, since it is larger than the sum of its proper divisors (2284264).

2881316 is a wasteful number, since it uses less digits than its factorization.

2881316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17614 (or 17612 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 2881316 is about 1697.4439607834. The cubic root of 2881316 is about 142.2973995815.

The spelling of 2881316 in words is "two million, eight hundred eighty-one thousand, three hundred sixteen".