2773116 has 48 divisors (see below), whose sum is σ = 7301280. Its totient is φ = 921456.

The previous prime is 2773097. The next prime is 2773123. The reversal of 2773116 is 6113772.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2773116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8590 + ... + 8906.

It is an arithmetic number, because the mean of its divisors is an integer number (152110).

2^2773116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2773116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3650640).

2773116 is an abundant number, since it is smaller than the sum of its proper divisors (4528164).

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

2773116 is an equidigital number, since it uses as much as digits as its factorization.

2773116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 322 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 2773116 is about 1665.2675460718. The cubic root of 2773116 is about 140.4934289383.

Adding to 2773116 its reverse (6113772), we get a palindrome (8886888).

The spelling of 2773116 in words is "two million, seven hundred seventy-three thousand, one hundred sixteen".