320534364 has 12 divisors (see below), whose sum is σ = 747913544. Its totient is φ = 106844784.

The previous prime is 320534359. The next prime is 320534381. The reversal of 320534364 is 463435023.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13355587 + ... + 13355610.

Almost surely, 2^320534364 is an apocalyptic number.

It is an amenable number.

320534364 is an abundant number, since it is smaller than the sum of its proper divisors (427379180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320534364 is a wasteful number, since it uses less digits than its factorization.

320534364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26711204 (or 26711202 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 320534364 is about 17903.4735177283. The cubic root of 320534364 is about 684.3708959367.

Adding to 320534364 its reverse (463435023), we get a palindrome (783969387).

The spelling of 320534364 in words is "three hundred twenty million, five hundred thirty-four thousand, three hundred sixty-four".