320745346 has 8 divisors (see below), whose sum is σ = 506440080. Its totient is φ = 151931988.

The previous prime is 320745329. The next prime is 320745371. The reversal of 320745346 is 643547023.

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, 4220296 + ... + 4220371.

It is an arithmetic number, because the mean of its divisors is an integer number (63305010).

Almost surely, 2^320745346 is an apocalyptic number.

320745346 is a deficient number, since it is larger than the sum of its proper divisors (185694734).

320745346 is a wasteful number, since it uses less digits than its factorization.

320745346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8440688.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 320745346 is about 17909.3647570203. The cubic root of 320745346 is about 684.5210184488.

The spelling of 320745346 in words is "three hundred twenty million, seven hundred forty-five thousand, three hundred forty-six".