2004971 has 4 divisors (see below), whose sum is σ = 2013600. Its totient is φ = 1996344.

The previous prime is 2004953. The next prime is 2004983. The reversal of 2004971 is 1794002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2004971 - 2¹⁴ = 1988587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2004901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3956 + ... + 4433.

It is an arithmetic number, because the mean of its divisors is an integer number (503400).

2^2004971 is an apocalyptic number.

2004971 is a deficient number, since it is larger than the sum of its proper divisors (8629).

2004971 is an equidigital number, since it uses as much as digits as its factorization.

2004971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8628.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2004971 is about 1415.9699855576. The cubic root of 2004971 is about 126.0964030852.

Adding to 2004971 its reverse (1794002), we get a palindrome (3798973).

The spelling of 2004971 in words is "two million, four thousand, nine hundred seventy-one".