424134321 has 32 divisors (see below), whose sum is σ = 650711040. Its totient is φ = 243549504.

The previous prime is 424134317. The next prime is 424134323. The reversal of 424134321 is 123431424.

It is not a de Polignac number, because 424134321 - 2² = 424134317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424134291 and 424134300.

It is not an unprimeable number, because it can be changed into a prime (424134323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45376 + ... + 53918.

It is an arithmetic number, because the mean of its divisors is an integer number (20334720).

Almost surely, 2^424134321 is an apocalyptic number.

It is an amenable number.

424134321 is a deficient number, since it is larger than the sum of its proper divisors (226576719).

424134321 is a wasteful number, since it uses less digits than its factorization.

424134321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8645.

The product of its digits is 2304, while the sum is 24.

The square root of 424134321 is about 20594.5216259082. The cubic root of 424134321 is about 751.3364739242.

Adding to 424134321 its reverse (123431424), we get a palindrome (547565745).

The spelling of 424134321 in words is "four hundred twenty-four million, one hundred thirty-four thousand, three hundred twenty-one".