2773955 has 4 divisors (see below), whose sum is σ = 3328752. Its totient is φ = 2219160.

The previous prime is 2773949. The next prime is 2773997. The reversal of 2773955 is 5593772.

2773955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2773955 - 2⁶ = 2773891 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 277391 + ... + 277400.

It is an arithmetic number, because the mean of its divisors is an integer number (832188).

2^2773955 is an apocalyptic number.

2773955 is a deficient number, since it is larger than the sum of its proper divisors (554797).

2773955 is an equidigital number, since it uses as much as digits as its factorization.

2773955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554796.

The product of its digits is 66150, while the sum is 38.

The square root of 2773955 is about 1665.5194384936. The cubic root of 2773955 is about 140.5075961665.

The spelling of 2773955 in words is "two million, seven hundred seventy-three thousand, nine hundred fifty-five".