2991882 has 8 divisors (see below), whose sum is σ = 5983776. Its totient is φ = 997292.

The previous prime is 2991871. The next prime is 2991883. The reversal of 2991882 is 2881992.

2991882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

2991882 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2991882.

It is not an unprimeable number, because it can be changed into a prime (2991883) 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 3 ways as a sum of consecutive naturals, for example, 249318 + ... + 249329.

It is an arithmetic number, because the mean of its divisors is an integer number (747972).

2^2991882 is an apocalyptic number.

2991882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2991882 is a wasteful number, since it uses less digits than its factorization.

2991882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498652.

The product of its digits is 20736, while the sum is 39.

The square root of 2991882 is about 1729.7057553237. The cubic root of 2991882 is about 144.0947486008.

The spelling of 2991882 in words is "two million, nine hundred ninety-one thousand, eight hundred eighty-two".