2881093 has 4 divisors (see below), whose sum is σ = 2891628. Its totient is φ = 2870560.

The previous prime is 2881061. The next prime is 2881097. The reversal of 2881093 is 3901882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3901882 = 2 ⋅1950941.

It can be written as a sum of positive squares in 2 ways, for example, as 1077444 + 1803649 = 1038^2 + 1343^2 .

It is a cyclic number.

It is not a de Polignac number, because 2881093 - 2⁵ = 2881061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881097) 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, 4846 + ... + 5407.

It is an arithmetic number, because the mean of its divisors is an integer number (722907).

2^2881093 is an apocalyptic number.

It is an amenable number.

2881093 is a deficient number, since it is larger than the sum of its proper divisors (10535).

2881093 is a wasteful number, since it uses less digits than its factorization.

2881093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10534.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2881093 is about 1697.3782725132. The cubic root of 2881093 is about 142.2937284420.

The spelling of 2881093 in words is "two million, eight hundred eighty-one thousand, ninety-three".