2781883 has 16 divisors (see below), whose sum is σ = 3185280. Its totient is φ = 2411136.

The previous prime is 2781853. The next prime is 2781887. The reversal of 2781883 is 3881872.

It is not a de Polignac number, because 2781883 - 2²¹ = 684731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2781887) 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 15 ways as a sum of consecutive naturals, for example, 17641 + ... + 17797.

It is an arithmetic number, because the mean of its divisors is an integer number (199080).

2^2781883 is an apocalyptic number.

2781883 is a deficient number, since it is larger than the sum of its proper divisors (403397).

2781883 is a wasteful number, since it uses less digits than its factorization.

2781883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its digits is 21504, while the sum is 37.

The square root of 2781883 is about 1667.8977786423. The cubic root of 2781883 is about 140.6413263678.

The spelling of 2781883 in words is "two million, seven hundred eighty-one thousand, eight hundred eighty-three".