320534324 has 18 divisors (see below), whose sum is σ = 616565922. Its totient is φ = 145697200.

The previous prime is 320534299. The next prime is 320534329. The reversal of 320534324 is 423435023.

It can be written as a sum of positive squares in only one way, i.e., 233111824 + 87422500 = 15268^2 + 9350^2 .

It is a junction number, because it is equal to n+sod(n) for n = 320534293 and 320534302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320534329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330647 + ... + 331614.

Almost surely, 2^320534324 is an apocalyptic number.

It is an amenable number.

320534324 is a deficient number, since it is larger than the sum of its proper divisors (296031598).

320534324 is a wasteful number, since it uses less digits than its factorization.

320534324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662287 (or 662274 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 320534324 is about 17903.4724006266. The cubic root of 320534324 is about 684.3708674688.

Adding to 320534324 its reverse (423435023), we get a palindrome (743969347).

The spelling of 320534324 in words is "three hundred twenty million, five hundred thirty-four thousand, three hundred twenty-four".