2776841 has 2 divisors, whose sum is σ = 2776842. Its totient is φ = 2776840.

The previous prime is 2776817. The next prime is 2776843. The reversal of 2776841 is 1486772.

It is a happy number.

2776841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1974025 + 802816 = 1405^2 + 896^2 .

It is a cyclic number.

It is not a de Polignac number, because 2776841 - 2¹⁸ = 2514697 is a prime.

It is a Sophie Germain prime.

Together with 2776843, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2776843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388420 + 1388421.

It is an arithmetic number, because the mean of its divisors is an integer number (1388421).

2^2776841 is an apocalyptic number.

It is an amenable number.

2776841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2776841 is an equidigital number, since it uses as much as digits as its factorization.

2776841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 35.

The square root of 2776841 is about 1666.3856096354. The cubic root of 2776841 is about 140.5563069274.

The spelling of 2776841 in words is "two million, seven hundred seventy-six thousand, eight hundred forty-one".