320424344 has 16 divisors (see below), whose sum is σ = 602170800. Its totient is φ = 159845472.

The previous prime is 320424343. The next prime is 320424359. The reversal of 320424344 is 443424023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320424343) 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, 42107 + ... + 49130.

It is an arithmetic number, because the mean of its divisors is an integer number (37635675).

Almost surely, 2^320424344 is an apocalyptic number.

It is an amenable number.

320424344 is a deficient number, since it is larger than the sum of its proper divisors (281746456).

320424344 is a wasteful number, since it uses less digits than its factorization.

320424344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91682 (or 91678 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 320424344 is about 17900.4006659069. The cubic root of 320424344 is about 684.2925859740.

Adding to 320424344 its reverse (443424023), we get a palindrome (763848367).

The spelling of 320424344 in words is "three hundred twenty million, four hundred twenty-four thousand, three hundred forty-four".