2773939 has 6 divisors (see below), whose sum is σ = 3226884. Its totient is φ = 2377620.

The previous prime is 2773931. The next prime is 2773949. The reversal of 2773939 is 9393772.

It is not a de Polignac number, because 2773939 - 2³ = 2773931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2773931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28257 + ... + 28354.

It is an arithmetic number, because the mean of its divisors is an integer number (537814).

2^2773939 is an apocalyptic number.

2773939 is a deficient number, since it is larger than the sum of its proper divisors (452945).

2773939 is an equidigital number, since it uses as much as digits as its factorization.

2773939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56625 (or 56618 counting only the distinct ones).

The product of its digits is 71442, while the sum is 40.

The square root of 2773939 is about 1665.5146351804. The cubic root of 2773939 is about 140.5073260196.

The spelling of 2773939 in words is "two million, seven hundred seventy-three thousand, nine hundred thirty-nine".