2771938 has 24 divisors (see below), whose sum is σ = 4611600. Its totient is φ = 1248624.

The previous prime is 2771933. The next prime is 2771947. The reversal of 2771938 is 8391772.

2771938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2771897 and 2771906.

It is not an unprimeable number, because it can be changed into a prime (2771933) 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 11 ways as a sum of consecutive naturals, for example, 19873 + ... + 20011.

It is an arithmetic number, because the mean of its divisors is an integer number (192150).

2^2771938 is an apocalyptic number.

2771938 is a deficient number, since it is larger than the sum of its proper divisors (1839662).

2771938 is a wasteful number, since it uses less digits than its factorization.

2771938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 213 counting only the distinct ones).

The product of its digits is 21168, while the sum is 37.

The square root of 2771938 is about 1664.9138115831. The cubic root of 2771938 is about 140.4735325836.

The spelling of 2771938 in words is "two million, seven hundred seventy-one thousand, nine hundred thirty-eight".