2004355 has 4 divisors (see below), whose sum is σ = 2405232. Its totient is φ = 1603480.

The previous prime is 2004349. The next prime is 2004377. The reversal of 2004355 is 5534002.

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: 5534002 = 2 ⋅2767001.

It is not a de Polignac number, because 2004355 - 2³ = 2004347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 200431 + ... + 200440.

It is an arithmetic number, because the mean of its divisors is an integer number (601308).

2^2004355 is an apocalyptic number.

2004355 is a deficient number, since it is larger than the sum of its proper divisors (400877).

2004355 is an equidigital number, since it uses as much as digits as its factorization.

2004355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400876.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 2004355 is about 1415.7524501127. The cubic root of 2004355 is about 126.0834879623.

Adding to 2004355 its reverse (5534002), we get a palindrome (7538357).

The spelling of 2004355 in words is "two million, four thousand, three hundred fifty-five".