2104247 has 8 divisors (see below), whose sum is σ = 2211840. Its totient is φ = 1998040.

The previous prime is 2104241. The next prime is 2104261. The reversal of 2104247 is 7424012.

2104247 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 2104247 - 2²⁰ = 1055671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104241) 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, 4154 + ... + 4632.

It is an arithmetic number, because the mean of its divisors is an integer number (276480).

2^2104247 is an apocalyptic number.

2104247 is a deficient number, since it is larger than the sum of its proper divisors (107593).

2104247 is a wasteful number, since it uses less digits than its factorization.

2104247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 2104247 is about 1450.6022887063. The cubic root of 2104247 is about 128.1441856655.

Adding to 2104247 its reverse (7424012), we get a palindrome (9528259).

The spelling of 2104247 in words is "two million, one hundred four thousand, two hundred forty-seven".