320609446 has 8 divisors (see below), whose sum is σ = 487687824. Its totient is φ = 158046840.

The previous prime is 320609441. The next prime is 320609447. The reversal of 320609446 is 644906023.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320609441) 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, 1128765 + ... + 1129048.

It is an arithmetic number, because the mean of its divisors is an integer number (60960978).

Almost surely, 2^320609446 is an apocalyptic number.

320609446 is a deficient number, since it is larger than the sum of its proper divisors (167078378).

320609446 is a wasteful number, since it uses less digits than its factorization.

320609446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257886.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 320609446 is about 17905.5702506231. The cubic root of 320609446 is about 684.4243274663.

The spelling of 320609446 in words is "three hundred twenty million, six hundred nine thousand, four hundred forty-six".