2882881 has 4 divisors (see below), whose sum is σ = 2895700. Its totient is φ = 2870064.

The previous prime is 2882863. The next prime is 2882897. The reversal of 2882881 is 1882882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1882882 = 2 ⋅941441.

It can be written as a sum of positive squares in 2 ways, for example, as 1478656 + 1404225 = 1216^2 + 1185^2 .

It is a cyclic number.

It is not a de Polignac number, because 2882881 - 2⁷ = 2882753 is a prime.

It is a super-2 number, since 2×2882881² = 16622005720322, which contains 22 as substring.

It is a Duffinian number.

2882881 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2882881.

It is not an unprimeable number, because it can be changed into a prime (2882801) 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, 6066 + ... + 6523.

It is an arithmetic number, because the mean of its divisors is an integer number (723925).

2^2882881 is an apocalyptic number.

It is an amenable number.

2882881 is a deficient number, since it is larger than the sum of its proper divisors (12819).

2882881 is a wasteful number, since it uses less digits than its factorization.

2882881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12818.

The product of its digits is 16384, while the sum is 37.

The square root of 2882881 is about 1697.9048854397. The cubic root of 2882881 is about 142.3231580802.

Subtracting from 2882881 its reverse (1882882), we obtain a palindrome (999999).

The spelling of 2882881 in words is "two million, eight hundred eighty-two thousand, eight hundred eighty-one".