2991116 has 12 divisors (see below), whose sum is σ = 5542488. Its totient is φ = 1407552.

The previous prime is 2991103. The next prime is 2991139. The reversal of 2991116 is 6111992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21926 + ... + 22061.

It is an arithmetic number, because the mean of its divisors is an integer number (461874).

2^2991116 is an apocalyptic number.

It is an amenable number.

2991116 is a deficient number, since it is larger than the sum of its proper divisors (2551372).

2991116 is a wasteful number, since it uses less digits than its factorization.

2991116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44008 (or 44006 counting only the distinct ones).

The product of its digits is 972, while the sum is 29.

The square root of 2991116 is about 1729.4843162053. The cubic root of 2991116 is about 144.0824502104.

The spelling of 2991116 in words is "two million, nine hundred ninety-one thousand, one hundred sixteen".