320343474 has 32 divisors (see below), whose sum is σ = 705132864. Its totient is φ = 96212480.

The previous prime is 320343449. The next prime is 320343497. The reversal of 320343474 is 474343023.

320343474 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14019 + ... + 28934.

It is an arithmetic number, because the mean of its divisors is an integer number (22035402).

Almost surely, 2^320343474 is an apocalyptic number.

320343474 is an abundant number, since it is smaller than the sum of its proper divisors (384789390).

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

320343474 is a wasteful number, since it uses less digits than its factorization.

320343474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43082.

The product of its (nonzero) digits is 24192, while the sum is 30.

The square root of 320343474 is about 17898.1416353766. The cubic root of 320343474 is about 684.2350129476.

Adding to 320343474 its reverse (474343023), we get a palindrome (794686497).

The spelling of 320343474 in words is "three hundred twenty million, three hundred forty-three thousand, four hundred seventy-four".