4421365 has 16 divisors (see below), whose sum is σ = 5757696. Its totient is φ = 3240000.

The previous prime is 4421353. The next prime is 4421371. The reversal of 4421365 is 5631244.

It is not a de Polignac number, because 4421365 - 2⁷ = 4421237 is a prime.

It is a d-powerful number, because it can be written as 4 + 4¹¹ + 2⁷ + 1 + 3¹¹ + 6⁶ + 5⁵ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16180 + ... + 16450.

It is an arithmetic number, because the mean of its divisors is an integer number (359856).

Almost surely, 2^4421365 is an apocalyptic number.

It is an amenable number.

4421365 is a deficient number, since it is larger than the sum of its proper divisors (1336331).

4421365 is a wasteful number, since it uses less digits than its factorization.

4421365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its digits is 2880, while the sum is 25.

The square root of 4421365 is about 2102.7042112480. The cubic root of 4421365 is about 164.1290502194.

The spelling of 4421365 in words is "four million, four hundred twenty-one thousand, three hundred sixty-five".