2104787 has 6 divisors (see below), whose sum is σ = 2236188. Its totient is φ = 1980704.

The previous prime is 2104759. The next prime is 2104811. The reversal of 2104787 is 7874012.

It is not a de Polignac number, because 2104787 - 2⁶ = 2104723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3353 + ... + 3930.

It is an arithmetic number, because the mean of its divisors is an integer number (372698).

2^2104787 is an apocalyptic number.

2104787 is a deficient number, since it is larger than the sum of its proper divisors (131401).

2104787 is an equidigital number, since it uses as much as digits as its factorization.

2104787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7317 (or 7300 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 2104787 is about 1450.7884063501. The cubic root of 2104787 is about 128.1551463468.

Adding to 2104787 its reverse (7874012), we get a palindrome (9978799).

The spelling of 2104787 in words is "two million, one hundred four thousand, seven hundred eighty-seven".