3604003 has 4 divisors (see below), whose sum is σ = 3881248. Its totient is φ = 3326760.

The previous prime is 3603991. The next prime is 3604019. The reversal of 3604003 is 3004063.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3604003 - 2⁹ = 3603491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3604043) 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, 138603 + ... + 138628.

It is an arithmetic number, because the mean of its divisors is an integer number (970312).

Almost surely, 2^3604003 is an apocalyptic number.

3604003 is a deficient number, since it is larger than the sum of its proper divisors (277245).

3604003 is a wasteful number, since it uses less digits than its factorization.

3604003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277244.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3604003 is about 1898.4211861439. The cubic root of 3604003 is about 153.3186716710.

Adding to 3604003 its reverse (3004063), we get a palindrome (6608066).

The spelling of 3604003 in words is "three million, six hundred four thousand, three".