2904003 has 12 divisors (see below), whose sum is σ = 4377360. Its totient is φ = 1851696.

The previous prime is 2904001. The next prime is 2904047. The reversal of 2904003 is 3004092.

It is not a de Polignac number, because 2904003 - 2¹ = 2904001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2904001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6808 + ... + 7221.

It is an arithmetic number, because the mean of its divisors is an integer number (364780).

2^2904003 is an apocalyptic number.

2904003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2904003 is a deficient number, since it is larger than the sum of its proper divisors (1473357).

2904003 is a wasteful number, since it uses less digits than its factorization.

2904003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14058 (or 14055 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2904003 is about 1704.1135525545. The cubic root of 2904003 is about 142.6698989233.

Adding to 2904003 its reverse (3004092), we get a palindrome (5908095).

The spelling of 2904003 in words is "two million, nine hundred four thousand, three".