320435434 has 16 divisors (see below), whose sum is σ = 524743200. Its totient is φ = 145542960.

The previous prime is 320435417. The next prime is 320435447. The reversal of 320435434 is 434534023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29377 + ... + 38779.

It is an arithmetic number, because the mean of its divisors is an integer number (32796450).

Almost surely, 2^320435434 is an apocalyptic number.

320435434 is a deficient number, since it is larger than the sum of its proper divisors (204307766).

320435434 is a wasteful number, since it uses less digits than its factorization.

320435434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10965.

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

The square root of 320435434 is about 17900.7104328292. The cubic root of 320435434 is about 684.3004804191.

Adding to 320435434 its reverse (434534023), we get a palindrome (754969457).

The spelling of 320435434 in words is "three hundred twenty million, four hundred thirty-five thousand, four hundred thirty-four".