320324434 has 8 divisors (see below), whose sum is σ = 480566268. Its totient is φ = 160135680.

The previous prime is 320324423. The next prime is 320324437. The reversal of 320324434 is 434423023.

It can be written as a sum of positive squares in 2 ways, for example, as 318515409 + 1809025 = 17847^2 + 1345^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 320324399 and 320324408.

It is not an unprimeable number, because it can be changed into a prime (320324437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9934 + ... + 27190.

Almost surely, 2^320324434 is an apocalyptic number.

320324434 is a deficient number, since it is larger than the sum of its proper divisors (160241834).

320324434 is a wasteful number, since it uses less digits than its factorization.

320324434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26540.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 320324434 is about 17897.6097286761. The cubic root of 320324434 is about 684.2214565685.

Adding to 320324434 its reverse (434423023), we get a palindrome (754747457).

The spelling of 320324434 in words is "three hundred twenty million, three hundred twenty-four thousand, four hundred thirty-four".