4416321 has 24 divisors (see below), whose sum is σ = 7379904. Its totient is φ = 2328480.

The previous prime is 4416319. The next prime is 4416329. The reversal of 4416321 is 1236144.

It is not a de Polignac number, because 4416321 - 2¹ = 4416319 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4416329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 756 + ... + 3066.

It is an arithmetic number, because the mean of its divisors is an integer number (307496).

Almost surely, 2^4416321 is an apocalyptic number.

It is an amenable number.

4416321 is a deficient number, since it is larger than the sum of its proper divisors (2963583).

4416321 is a wasteful number, since it uses less digits than its factorization.

4416321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341 (or 2334 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 4416321 is about 2101.5044610945. The cubic root of 4416321 is about 164.0666123414.

The spelling of 4416321 in words is "four million, four hundred sixteen thousand, three hundred twenty-one".