2004173 has 4 divisors (see below), whose sum is σ = 2018940. Its totient is φ = 1989408.

The previous prime is 2004137. The next prime is 2004209. The reversal of 2004173 is 3714002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3714002 = 2 ⋅1857001.

It is an interprime number because it is at equal distance from previous prime (2004137) and next prime (2004209).

It can be written as a sum of positive squares in 2 ways, for example, as 743044 + 1261129 = 862^2 + 1123^2 .

It is a cyclic number.

It is not a de Polignac number, because 2004173 - 2⁶ = 2004109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004133) 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, 7178 + ... + 7451.

It is an arithmetic number, because the mean of its divisors is an integer number (504735).

2^2004173 is an apocalyptic number.

It is an amenable number.

2004173 is a deficient number, since it is larger than the sum of its proper divisors (14767).

2004173 is a wasteful number, since it uses less digits than its factorization.

2004173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14766.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 2004173 is about 1415.6881718797. The cubic root of 2004173 is about 126.0796716241.

Adding to 2004173 its reverse (3714002), we get a palindrome (5718175).

The spelling of 2004173 in words is "two million, four thousand, one hundred seventy-three".