320346375 has 16 divisors (see below), whose sum is σ = 533056992. Its totient is φ = 170851200.

The previous prime is 320346371. The next prime is 320346421. The reversal of 320346375 is 573643023.

It is not a de Polignac number, because 320346375 - 2² = 320346371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320346371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426754 + ... + 427503.

It is an arithmetic number, because the mean of its divisors is an integer number (33316062).

Almost surely, 2^320346375 is an apocalyptic number.

320346375 is a deficient number, since it is larger than the sum of its proper divisors (212710617).

320346375 is an equidigital number, since it uses as much as digits as its factorization.

320346375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854275 (or 854265 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 33.

The square root of 320346375 is about 17898.2226771264. Note that the first 3 decimals coincide. The cubic root of 320346375 is about 684.2370783971.

Adding to 320346375 its reverse (573643023), we get a palindrome (893989398).

The spelling of 320346375 in words is "three hundred twenty million, three hundred forty-six thousand, three hundred seventy-five".