4903903 has 4 divisors (see below), whose sum is σ = 4987080. Its totient is φ = 4820728.

The previous prime is 4903901. The next prime is 4903907. The reversal of 4903903 is 3093094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3093094 = 2 ⋅1546547.

It is a cyclic number.

It is not a de Polignac number, because 4903903 - 2¹ = 4903901 is a prime.

It is a Duffinian number.

4903903 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4903901) 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, 41500 + ... + 41617.

It is an arithmetic number, because the mean of its divisors is an integer number (1246770).

Almost surely, 2^4903903 is an apocalyptic number.

4903903 is a deficient number, since it is larger than the sum of its proper divisors (83177).

4903903 is an equidigital number, since it uses as much as digits as its factorization.

4903903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83176.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 4903903 is about 2214.4757844691. The cubic root of 4903903 is about 169.8950101441.

Adding to 4903903 its reverse (3093094), we get a palindrome (7996997).

The spelling of 4903903 in words is "four million, nine hundred three thousand, nine hundred three".