2002947 has 4 divisors (see below), whose sum is σ = 2670600. Its totient is φ = 1335296.

The previous prime is 2002939. The next prime is 2002967. The reversal of 2002947 is 7492002.

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 2002947 - 2³ = 2002939 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2002907) 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, 333822 + ... + 333827.

It is an arithmetic number, because the mean of its divisors is an integer number (667650).

2^2002947 is an apocalyptic number.

2002947 is a deficient number, since it is larger than the sum of its proper divisors (667653).

2002947 is an equidigital number, since it uses as much as digits as its factorization.

2002947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667652.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2002947 is about 1415.2551006797. The cubic root of 2002947 is about 126.0539577417.

Adding to 2002947 its reverse (7492002), we get a palindrome (9494949).

The spelling of 2002947 in words is "two million, two thousand, nine hundred forty-seven".