2104687 has 8 divisors (see below), whose sum is σ = 2386160. Its totient is φ = 1840320.

The previous prime is 2104679. The next prime is 2104699. The reversal of 2104687 is 7864012.

2104687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2104687 - 2³ = 2104679 is a prime.

It is a Duffinian number.

2104687 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4014 + ... + 4507.

It is an arithmetic number, because the mean of its divisors is an integer number (298270).

2^2104687 is an apocalyptic number.

2104687 is a deficient number, since it is larger than the sum of its proper divisors (281473).

2104687 is a wasteful number, since it uses less digits than its factorization.

2104687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2104687 is about 1450.7539419212. The cubic root of 2104687 is about 128.1531167324.

Adding to 2104687 its reverse (7864012), we get a palindrome (9968699).

The spelling of 2104687 in words is "two million, one hundred four thousand, six hundred eighty-seven".