2891344 has 20 divisors (see below), whose sum is σ = 5897440. Its totient is φ = 1369440.

The previous prime is 2891341. The next prime is 2891359. The reversal of 2891344 is 4431982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2891341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4452 + ... + 5059.

It is an arithmetic number, because the mean of its divisors is an integer number (294872).

2^2891344 is an apocalyptic number.

It is an amenable number.

2891344 is an abundant number, since it is smaller than the sum of its proper divisors (3006096).

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

2891344 is a wasteful number, since it uses less digits than its factorization.

2891344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9538 (or 9532 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 2891344 is about 1700.3952481703. The cubic root of 2891344 is about 142.4622902167.

The spelling of 2891344 in words is "two million, eight hundred ninety-one thousand, three hundred forty-four".