424340321 has 8 divisors (see below), whose sum is σ = 426415104. Its totient is φ = 422270800.

The previous prime is 424340311. The next prime is 424340333. The reversal of 424340321 is 123043424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 424340321 - 2²² = 420146017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (424340311) 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, 364286 + ... + 365448.

It is an arithmetic number, because the mean of its divisors is an integer number (53301888).

Almost surely, 2^424340321 is an apocalyptic number.

It is an amenable number.

424340321 is a deficient number, since it is larger than the sum of its proper divisors (2074783).

424340321 is a wasteful number, since it uses less digits than its factorization.

424340321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 424340321 is about 20599.5223488313. The cubic root of 424340321 is about 751.4580944069.

Adding to 424340321 its reverse (123043424), we get a palindrome (547383745).

It can be divided in two parts, 4243403 and 21, that added together give a palindrome (4243424).

The spelling of 424340321 in words is "four hundred twenty-four million, three hundred forty thousand, three hundred twenty-one".