4945903 has 4 divisors (see below), whose sum is σ = 5060968. Its totient is φ = 4830840.

The previous prime is 4945879. The next prime is 4945937. The reversal of 4945903 is 3095494.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4945903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4945973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57468 + ... + 57553.

It is an arithmetic number, because the mean of its divisors is an integer number (1265242).

Almost surely, 2^4945903 is an apocalyptic number.

4945903 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4945903 is a deficient number, since it is larger than the sum of its proper divisors (115065).

4945903 is a wasteful number, since it uses less digits than its factorization.

4945903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115064.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 4945903 is about 2223.9386232538. The cubic root of 4945903 is about 170.3786599790.

The spelling of 4945903 in words is "four million, nine hundred forty-five thousand, nine hundred three".