2776868 has 12 divisors (see below), whose sum is σ = 4890480. Its totient is φ = 1379592.

The previous prime is 2776867. The next prime is 2776871. The reversal of 2776868 is 8686772.

It is a happy number.

2776868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2776867) 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 in 3 ways as a sum of consecutive naturals, for example, 1478 + ... + 2781.

It is an arithmetic number, because the mean of its divisors is an integer number (407540).

2^2776868 is an apocalyptic number.

It is an amenable number.

2776868 is a deficient number, since it is larger than the sum of its proper divisors (2113612).

2776868 is a wasteful number, since it uses less digits than its factorization.

2776868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426 (or 4424 counting only the distinct ones).

The product of its digits is 225792, while the sum is 44.

The square root of 2776868 is about 1666.3937109819. The cubic root of 2776868 is about 140.5567624819.

The spelling of 2776868 in words is "two million, seven hundred seventy-six thousand, eight hundred sixty-eight".