320534434 has 8 divisors (see below), whose sum is σ = 524510928. Its totient is φ = 145697460.

The previous prime is 320534429. The next prime is 320534453. The reversal of 320534434 is 434435023.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7284852 + ... + 7284895.

It is an arithmetic number, because the mean of its divisors is an integer number (65563866).

Almost surely, 2^320534434 is an apocalyptic number.

320534434 is a deficient number, since it is larger than the sum of its proper divisors (203976494).

320534434 is a wasteful number, since it uses less digits than its factorization.

320534434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14569760.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 320534434 is about 17903.4754726561. The cubic root of 320534434 is about 684.3709457555.

Adding to 320534434 its reverse (434435023), we get a palindrome (754969457).

The spelling of 320534434 in words is "three hundred twenty million, five hundred thirty-four thousand, four hundred thirty-four".