2773206 has 12 divisors (see below), whose sum is σ = 6008652. Its totient is φ = 924396.

The previous prime is 2773201. The next prime is 2773207. The reversal of 2773206 is 6023772.

It is a self number, because there is not a number n which added to its sum of digits gives 2773206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773201) 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, 77016 + ... + 77051.

It is an arithmetic number, because the mean of its divisors is an integer number (500721).

2^2773206 is an apocalyptic number.

2773206 is an abundant number, since it is smaller than the sum of its proper divisors (3235446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2773206 is a wasteful number, since it uses less digits than its factorization.

2773206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154075 (or 154072 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 2773206 is about 1665.2945685374. The cubic root of 2773206 is about 140.4949488017.

Adding to 2773206 its reverse (6023772), we get a palindrome (8796978).

The spelling of 2773206 in words is "two million, seven hundred seventy-three thousand, two hundred six".