2004385 has 8 divisors (see below), whose sum is σ = 2546856. Its totient is φ = 1509120.

The previous prime is 2004383. The next prime is 2004421. The reversal of 2004385 is 5834002.

It can be written as a sum of positive squares in 4 ways, for example, as 238144 + 1766241 = 488^2 + 1329^2 .

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

It is not a de Polignac number, because 2004385 - 2¹ = 2004383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2004383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11706 + ... + 11875.

It is an arithmetic number, because the mean of its divisors is an integer number (318357).

2^2004385 is an apocalyptic number.

It is an amenable number.

2004385 is a deficient number, since it is larger than the sum of its proper divisors (542471).

2004385 is a wasteful number, since it uses less digits than its factorization.

2004385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23603.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2004385 is about 1415.7630451456. The cubic root of 2004385 is about 126.0841170068.

Adding to 2004385 its reverse (5834002), we get a palindrome (7838387).

The spelling of 2004385 in words is "two million, four thousand, three hundred eighty-five".