4350321 has 8 divisors (see below), whose sum is σ = 6444960. Its totient is φ = 2900196.

The previous prime is 4350287. The next prime is 4350329. The reversal of 4350321 is 1230534.

It is not a de Polignac number, because 4350321 - 2¹⁵ = 4317553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4350294 and 4350303.

It is not an unprimeable number, because it can be changed into a prime (4350329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80535 + ... + 80588.

It is an arithmetic number, because the mean of its divisors is an integer number (805620).

Almost surely, 2^4350321 is an apocalyptic number.

It is an amenable number.

4350321 is a deficient number, since it is larger than the sum of its proper divisors (2094639).

4350321 is a wasteful number, since it uses less digits than its factorization.

4350321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161132 (or 161126 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 4350321 is about 2085.7423139017. The cubic root of 4350321 is about 163.2452053622.

Adding to 4350321 its reverse (1230534), we get a palindrome (5580855).

The spelling of 4350321 in words is "four million, three hundred fifty thousand, three hundred twenty-one".