3904603 has 2 divisors, whose sum is σ = 3904604. Its totient is φ = 3904602.

The previous prime is 3904597. The next prime is 3904631. The reversal of 3904603 is 3064093.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3904603 is a prime.

It is not a weakly prime, because it can be changed into another prime (3904643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1952301 + 1952302.

It is an arithmetic number, because the mean of its divisors is an integer number (1952302).

Almost surely, 2^3904603 is an apocalyptic number.

3904603 is a deficient number, since it is larger than the sum of its proper divisors (1).

3904603 is an equidigital number, since it uses as much as digits as its factorization.

3904603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 3904603 is about 1976.0068319720. The cubic root of 3904603 is about 157.4679938323.

Adding to 3904603 its reverse (3064093), we get a palindrome (6968696).

The spelling of 3904603 in words is "three million, nine hundred four thousand, six hundred three".