2104912 has 20 divisors (see below), whose sum is σ = 4101300. Its totient is φ = 1046528.

The previous prime is 2104909. The next prime is 2104913. The reversal of 2104912 is 2194012.

It can be written as a sum of positive squares in 2 ways, for example, as 1700416 + 404496 = 1304^2 + 636^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2104912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104913) 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, 4464 + ... + 4912.

It is an arithmetic number, because the mean of its divisors is an integer number (205065).

2^2104912 is an apocalyptic number.

It is an amenable number.

2104912 is a deficient number, since it is larger than the sum of its proper divisors (1996388).

2104912 is a wasteful number, since it uses less digits than its factorization.

2104912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2104912 is about 1450.8314857350. The cubic root of 2104912 is about 128.1576832743.

Adding to 2104912 its reverse (2194012), we get a palindrome (4298924).

The spelling of 2104912 in words is "two million, one hundred four thousand, nine hundred twelve".