2004393 has 8 divisors (see below), whose sum is σ = 2764800. Its totient is φ = 1290128.

The previous prime is 2004383. The next prime is 2004421. The reversal of 2004393 is 3934002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2004393 - 2⁴ = 2004377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2004313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11433 + ... + 11606.

It is an arithmetic number, because the mean of its divisors is an integer number (345600).

2^2004393 is an apocalyptic number.

It is an amenable number.

2004393 is a deficient number, since it is larger than the sum of its proper divisors (760407).

2004393 is a wasteful number, since it uses less digits than its factorization.

2004393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23071.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2004393 is about 1415.7658704744. The cubic root of 2004393 is about 126.0842847510.

Adding to 2004393 its reverse (3934002), we get a palindrome (5938395).

The spelling of 2004393 in words is "two million, four thousand, three hundred ninety-three".