2791116 has 72 divisors (see below), whose sum is σ = 7582848. Its totient is φ = 864000.

The previous prime is 2791109. The next prime is 2791121. The reversal of 2791116 is 6111972.

2791116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2791116.

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 23 ways as a sum of consecutive naturals, for example, 45726 + ... + 45786.

2^2791116 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 2791116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3791424).

2791116 is an abundant number, since it is smaller than the sum of its proper divisors (4791732).

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

2791116 is a wasteful number, since it uses less digits than its factorization.

2791116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 138 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 2791116 is about 1670.6633413109. The cubic root of 2791116 is about 140.7967495591.

It can be divided in two parts, 279 and 1116, that multiplied together give a square (311364 = 558²).

The spelling of 2791116 in words is "two million, seven hundred ninety-one thousand, one hundred sixteen".