4493903 has 4 divisors (see below), whose sum is σ = 4501848. Its totient is φ = 4485960.

The previous prime is 4493873. The next prime is 4493921. The reversal of 4493903 is 3093944.

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 4493903 - 2⁸ = 4493647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4493903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4493003) 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, 3053 + ... + 4278.

It is an arithmetic number, because the mean of its divisors is an integer number (1125462).

Almost surely, 2^4493903 is an apocalyptic number.

4493903 is a deficient number, since it is larger than the sum of its proper divisors (7945).

4493903 is an equidigital number, since it uses as much as digits as its factorization.

4493903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7944.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 4493903 is about 2119.8827797782. The cubic root of 4493903 is about 165.0217663357.

The spelling of 4493903 in words is "four million, four hundred ninety-three thousand, nine hundred three".