2771893 has 2 divisors, whose sum is σ = 2771894. Its totient is φ = 2771892.

The previous prime is 2771863. The next prime is 2771933. The reversal of 2771893 is 3981772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2745649 + 26244 = 1657^2 + 162^2 .

It is a cyclic number.

It is not a de Polignac number, because 2771893 - 2⁵ = 2771861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2771843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385946 + 1385947.

It is an arithmetic number, because the mean of its divisors is an integer number (1385947).

2^2771893 is an apocalyptic number.

It is an amenable number.

2771893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2771893 is an equidigital number, since it uses as much as digits as its factorization.

2771893 is an evil number, because the sum of its binary digits is even.

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

The square root of 2771893 is about 1664.9002973151. The cubic root of 2771893 is about 140.4727724243.

The spelling of 2771893 in words is "two million, seven hundred seventy-one thousand, eight hundred ninety-three".