4430399 has 4 divisors (see below), whose sum is σ = 4486560. Its totient is φ = 4374240.

The previous prime is 4430351. The next prime is 4430411. The reversal of 4430399 is 9930344.

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

It is a cyclic number.

It is not a de Polignac number, because 4430399 - 2⁸ = 4430143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4430299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27962 + ... + 28119.

It is an arithmetic number, because the mean of its divisors is an integer number (1121640).

Almost surely, 2^4430399 is an apocalyptic number.

4430399 is a deficient number, since it is larger than the sum of its proper divisors (56161).

4430399 is an equidigital number, since it uses as much as digits as its factorization.

4430399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56160.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 4430399 is about 2104.8513011612. The cubic root of 4430399 is about 164.2407602990.

Subtracting 4430399 from its reverse (9930344), we obtain a palindrome (5499945).

The spelling of 4430399 in words is "four million, four hundred thirty thousand, three hundred ninety-nine".