4430345 has 4 divisors (see below), whose sum is σ = 5316420. Its totient is φ = 3544272.

The previous prime is 4430311. The next prime is 4430351. The reversal of 4430345 is 5430344.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3182656 + 1247689 = 1784^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 4430345 - 2¹² = 4426249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4430345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443030 + ... + 443039.

It is an arithmetic number, because the mean of its divisors is an integer number (1329105).

Almost surely, 2^4430345 is an apocalyptic number.

It is an amenable number.

4430345 is a deficient number, since it is larger than the sum of its proper divisors (886075).

4430345 is an equidigital number, since it uses as much as digits as its factorization.

4430345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886074.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 4430345 is about 2104.8384736126. The cubic root of 4430345 is about 164.2400930125.

Adding to 4430345 its reverse (5430344), we get a palindrome (9860689).

Subtracting 4430345 from its reverse (5430344), we obtain a palindrome (999999).

The spelling of 4430345 in words is "four million, four hundred thirty thousand, three hundred forty-five".