4538321 has 4 divisors (see below), whose sum is σ = 4777200. Its totient is φ = 4299444.

The previous prime is 4538267. The next prime is 4538323. The reversal of 4538321 is 1238354.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4538321 - 2⁶ = 4538257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4538323) 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, 119411 + ... + 119448.

It is an arithmetic number, because the mean of its divisors is an integer number (1194300).

Almost surely, 2^4538321 is an apocalyptic number.

It is an amenable number.

4538321 is a deficient number, since it is larger than the sum of its proper divisors (238879).

4538321 is a wasteful number, since it uses less digits than its factorization.

4538321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238878.

The product of its digits is 2880, while the sum is 26.

The square root of 4538321 is about 2130.3335419600. Note that the first 3 decimals coincide. The cubic root of 4538321 is about 165.5636797325.

The spelling of 4538321 in words is "four million, five hundred thirty-eight thousand, three hundred twenty-one".