320229946 has 8 divisors (see below), whose sum is σ = 480573684. Its totient is φ = 160038720.

The previous prime is 320229929. The next prime is 320229947. The reversal of 320229946 is 649922023.

320229946 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 309372921 + 10857025 = 17589^2 + 3295^2 .

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

It is not an unprimeable number, because it can be changed into a prime (320229947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32725 + ... + 41368.

Almost surely, 2^320229946 is an apocalyptic number.

320229946 is a deficient number, since it is larger than the sum of its proper divisors (160343738).

320229946 is a wasteful number, since it uses less digits than its factorization.

320229946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76256.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 320229946 is about 17894.9698518885. The cubic root of 320229946 is about 684.1541736640.

The spelling of 320229946 in words is "three hundred twenty million, two hundred twenty-nine thousand, nine hundred forty-six".