2004147 has 12 divisors (see below), whose sum is σ = 3065400. Its totient is φ = 1257408.

The previous prime is 2004137. The next prime is 2004209. The reversal of 2004147 is 7414002.

It is a happy number.

It is not a de Polignac number, because 2004147 - 2⁴ = 2004131 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2004137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6397 + ... + 6702.

It is an arithmetic number, because the mean of its divisors is an integer number (255450).

2^2004147 is an apocalyptic number.

2004147 is a deficient number, since it is larger than the sum of its proper divisors (1061253).

2004147 is a wasteful number, since it uses less digits than its factorization.

2004147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13122 (or 13119 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2004147 is about 1415.6789890367. The cubic root of 2004147 is about 126.0791264141.

Adding to 2004147 its reverse (7414002), we get a palindrome (9418149).

The spelling of 2004147 in words is "two million, four thousand, one hundred forty-seven".