2103744 has 28 divisors (see below), whose sum is σ = 5566664. Its totient is φ = 701184.

The previous prime is 2103743. The next prime is 2103749. The reversal of 2103744 is 4473012.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2103744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103743) 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, 5287 + ... + 5670.

2^2103744 is an apocalyptic number.

2103744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2103744 is an abundant number, since it is smaller than the sum of its proper divisors (3462920).

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

2103744 is a wasteful number, since it uses less digits than its factorization.

2103744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10972 (or 10962 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2103744 is about 1450.4289020838. The cubic root of 2103744 is about 128.1339743069.

Adding to 2103744 its reverse (4473012), we get a palindrome (6576756).

The spelling of 2103744 in words is "two million, one hundred three thousand, seven hundred forty-four".