4219903 has 4 divisors (see below), whose sum is σ = 4252248. Its totient is φ = 4187560.

The previous prime is 4219871. The next prime is 4219909. The reversal of 4219903 is 3099124.

It is a happy number.

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 4219903 - 2⁵ = 4219871 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 (4219909) 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 in 3 ways as a sum of consecutive naturals, for example, 15976 + ... + 16237.

It is an arithmetic number, because the mean of its divisors is an integer number (1063062).

Almost surely, 2^4219903 is an apocalyptic number.

4219903 is a deficient number, since it is larger than the sum of its proper divisors (32345).

4219903 is a wasteful number, since it uses less digits than its factorization.

4219903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32344.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 4219903 is about 2054.2402488511. The cubic root of 4219903 is about 161.5973207861.

The spelling of 4219903 in words is "four million, two hundred nineteen thousand, nine hundred three".