2004247 has 6 divisors (see below), whose sum is σ = 2331528. Its totient is φ = 1717884.

The previous prime is 2004227. The next prime is 2004251. The reversal of 2004247 is 7424002.

It is not a de Polignac number, because 2004247 - 2¹¹ = 2002199 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 0 + 0 + 4⁵ + 2¹⁷ + 4¹⁰ + 7⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004227) 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, 20403 + ... + 20500.

It is an arithmetic number, because the mean of its divisors is an integer number (388588).

2^2004247 is an apocalyptic number.

2004247 is a deficient number, since it is larger than the sum of its proper divisors (327281).

2004247 is an equidigital number, since it uses as much as digits as its factorization.

2004247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40917 (or 40910 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2004247 is about 1415.7143073375. The cubic root of 2004247 is about 126.0812233499.

Adding to 2004247 its reverse (7424002), we get a palindrome (9428249).

The spelling of 2004247 in words is "two million, four thousand, two hundred forty-seven".