2773028 has 6 divisors (see below), whose sum is σ = 4852806. Its totient is φ = 1386512.

The previous prime is 2773021. The next prime is 2773033. The reversal of 2773028 is 8203772.

It can be written as a sum of positive squares in only one way, i.e., 2334784 + 438244 = 1528^2 + 662^2 .

It is not an unprimeable number, because it can be changed into a prime (2773021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346625 + ... + 346632.

It is an arithmetic number, because the mean of its divisors is an integer number (808801).

2^2773028 is an apocalyptic number.

It is an amenable number.

2773028 is a deficient number, since it is larger than the sum of its proper divisors (2079778).

2773028 is a wasteful number, since it uses less digits than its factorization.

2773028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693261 (or 693259 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 2773028 is about 1665.2411236815. The cubic root of 2773028 is about 140.4919428180.

The spelling of 2773028 in words is "two million, seven hundred seventy-three thousand, twenty-eight".