4538219 has 4 divisors (see below), whose sum is σ = 5186544. Its totient is φ = 3889896.

The previous prime is 4538197. The next prime is 4538227. The reversal of 4538219 is 9128354.

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-4538219 is a prime.

It is a super-2 number, since 2×4538219² = 41190863383922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4538519) 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, 324152 + ... + 324165.

It is an arithmetic number, because the mean of its divisors is an integer number (1296636).

Almost surely, 2^4538219 is an apocalyptic number.

4538219 is a deficient number, since it is larger than the sum of its proper divisors (648325).

4538219 is an equidigital number, since it uses as much as digits as its factorization.

4538219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648324.

The product of its digits is 8640, while the sum is 32.

The square root of 4538219 is about 2130.3096019124. The cubic root of 4538219 is about 165.5624393603.

The spelling of 4538219 in words is "four million, five hundred thirty-eight thousand, two hundred nineteen".