4421329 has 4 divisors (see below), whose sum is σ = 4823280. Its totient is φ = 4019380.

The previous prime is 4421323. The next prime is 4421353. The reversal of 4421329 is 9231244.

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 4421329 - 2³ = 4421321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4421321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200959 + ... + 200980.

It is an arithmetic number, because the mean of its divisors is an integer number (1205820).

Almost surely, 2^4421329 is an apocalyptic number.

It is an amenable number.

4421329 is a deficient number, since it is larger than the sum of its proper divisors (401951).

4421329 is a wasteful number, since it uses less digits than its factorization.

4421329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401950.

The product of its digits is 1728, while the sum is 25.

The square root of 4421329 is about 2102.6956508254. The cubic root of 4421329 is about 164.1286047565.

It can be divided in two parts, 442 and 1329, that added together give a palindrome (1771).

The spelling of 4421329 in words is "four million, four hundred twenty-one thousand, three hundred twenty-nine".