2991344 has 10 divisors (see below), whose sum is σ = 5795760. Its totient is φ = 1495664.

The previous prime is 2991299. The next prime is 2991353. The reversal of 2991344 is 4431992.

It is a happy number.

2991344 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 2991344.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 93464 + ... + 93495.

It is an arithmetic number, because the mean of its divisors is an integer number (579576).

2^2991344 is an apocalyptic number.

It is an amenable number.

2991344 is a deficient number, since it is larger than the sum of its proper divisors (2804416).

2991344 is a wasteful number, since it uses less digits than its factorization.

2991344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186967 (or 186961 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 2991344 is about 1729.5502305513. The cubic root of 2991344 is about 144.0861110473.

It can be divided in two parts, 299 and 1344, that multiplied together give a triangular number (401856 = T₈₉₆).

The spelling of 2991344 in words is "two million, nine hundred ninety-one thousand, three hundred forty-four".