4499321 has 8 divisors (see below), whose sum is σ = 4699080. Its totient is φ = 4302592.

The previous prime is 4499317. The next prime is 4499323. The reversal of 4499321 is 1239944.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 739600 + 3759721 = 860^2 + 1939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 5-Lehmer number, since φ(4499321) divides (4499321-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 4499321 - 2² = 4499317 is a prime.

It is a super-2 number, since 2×4499321² = 40487778922082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4499323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2591 + ... + 3963.

It is an arithmetic number, because the mean of its divisors is an integer number (587385).

Almost surely, 2^4499321 is an apocalyptic number.

It is an amenable number.

4499321 is a deficient number, since it is larger than the sum of its proper divisors (199759).

4499321 is a wasteful number, since it uses less digits than its factorization.

4499321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515.

The product of its digits is 7776, while the sum is 32.

The square root of 4499321 is about 2121.1602956872. The cubic root of 4499321 is about 165.0880582915.

The spelling of 4499321 in words is "four million, four hundred ninety-nine thousand, three hundred twenty-one".