2104144 has 20 divisors (see below), whose sum is σ = 4659424. Its totient is φ = 901728.

The previous prime is 2104139. The next prime is 2104147. The reversal of 2104144 is 4414012.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9282 + ... + 9505.

2^2104144 is an apocalyptic number.

It is an amenable number.

2104144 is an abundant number, since it is smaller than the sum of its proper divisors (2555280).

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

2104144 is a wasteful number, since it uses less digits than its factorization.

2104144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18802 (or 18796 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2104144 is about 1450.5667857772. The cubic root of 2104144 is about 128.1420948041.

Adding to 2104144 its reverse (4414012), we get a palindrome (6518156).

The spelling of 2104144 in words is "two million, one hundred four thousand, one hundred forty-four".