2091344 has 20 divisors (see below), whose sum is σ = 4228896. Its totient is φ = 1000032.

The previous prime is 2091343. The next prime is 2091347. The reversal of 2091344 is 4431902.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091343) 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, 2474 + ... + 3209.

2^2091344 is an apocalyptic number.

It is an amenable number.

2091344 is an abundant number, since it is smaller than the sum of its proper divisors (2137552).

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

2091344 is a wasteful number, since it uses less digits than its factorization.

2091344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714 (or 5708 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2091344 is about 1446.1479868948. The cubic root of 2091344 is about 127.8817266854.

The spelling of 2091344 in words is "two million, ninety-one thousand, three hundred forty-four".