2991716 has 24 divisors (see below), whose sum is σ = 6444480. Its totient is φ = 1183392.

The previous prime is 2991707. The next prime is 2991719. The reversal of 2991716 is 6171992.

2991716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2991719) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3746 + ... + 4473.

It is an arithmetic number, because the mean of its divisors is an integer number (268520).

2^2991716 is an apocalyptic number.

2991716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2991716 is an abundant number, since it is smaller than the sum of its proper divisors (3452764).

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

2991716 is a wasteful number, since it uses less digits than its factorization.

2991716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243 (or 8241 counting only the distinct ones).

The product of its digits is 6804, while the sum is 35.

The square root of 2991716 is about 1729.6577696180. The cubic root of 2991716 is about 144.0920835925.

The spelling of 2991716 in words is "two million, nine hundred ninety-one thousand, seven hundred sixteen".