2773285 has 8 divisors (see below), whose sum is σ = 3405600. Its totient is φ = 2166864.

The previous prime is 2773273. The next prime is 2773289. The reversal of 2773285 is 5823772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2773285 - 2¹³ = 2765093 is a prime.

It is a super-2 number, since 2×2773285² = 15382219382450, which contains 22 as substring.

2773285 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2773285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6235 + ... + 6664.

It is an arithmetic number, because the mean of its divisors is an integer number (425700).

2^2773285 is an apocalyptic number.

It is an amenable number.

2773285 is a deficient number, since it is larger than the sum of its proper divisors (632315).

2773285 is a wasteful number, since it uses less digits than its factorization.

2773285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12947.

The product of its digits is 23520, while the sum is 34.

The square root of 2773285 is about 1665.3182878957. The cubic root of 2773285 is about 140.4962828768.

The spelling of 2773285 in words is "two million, seven hundred seventy-three thousand, two hundred eighty-five".