4489321 has 4 divisors (see below), whose sum is σ = 4610692. Its totient is φ = 4367952.

The previous prime is 4489319. The next prime is 4489351. The reversal of 4489321 is 1239844.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2560000 + 1929321 = 1600^2 + 1389^2 .

It is a cyclic number.

It is not a de Polignac number, because 4489321 - 2¹ = 4489319 is a prime.

It is a super-3 number, since 3×4489321³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4489351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60630 + ... + 60703.

It is an arithmetic number, because the mean of its divisors is an integer number (1152673).

Almost surely, 2^4489321 is an apocalyptic number.

It is an amenable number.

4489321 is a deficient number, since it is larger than the sum of its proper divisors (121371).

4489321 is a wasteful number, since it uses less digits than its factorization.

4489321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121370.

The product of its digits is 6912, while the sum is 31.

The square root of 4489321 is about 2118.8017840279. The cubic root of 4489321 is about 164.9656616636.

The spelling of 4489321 in words is "four million, four hundred eighty-nine thousand, three hundred twenty-one".