2004667 has 4 divisors (see below), whose sum is σ = 2291056. Its totient is φ = 1718280.

The previous prime is 2004661. The next prime is 2004679. The reversal of 2004667 is 7664002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7664002 = 2 ⋅3832001.

It is a cyclic number.

It is not a de Polignac number, because 2004667 - 2⁷ = 2004539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2004661) 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, 143184 + ... + 143197.

It is an arithmetic number, because the mean of its divisors is an integer number (572764).

2^2004667 is an apocalyptic number.

2004667 is a deficient number, since it is larger than the sum of its proper divisors (286389).

2004667 is an equidigital number, since it uses as much as digits as its factorization.

2004667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286388.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2004667 is about 1415.8626345801. The cubic root of 2004667 is about 126.0900297188.

Adding to 2004667 its reverse (7664002), we get a palindrome (9668669).

The spelling of 2004667 in words is "two million, four thousand, six hundred sixty-seven".