320949472 has 12 divisors (see below), whose sum is σ = 631869336. Its totient is φ = 160474720.

The previous prime is 320949449. The next prime is 320949481. The reversal of 320949472 is 274949023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5014804 + ... + 5014867.

It is an arithmetic number, because the mean of its divisors is an integer number (52655778).

Almost surely, 2^320949472 is an apocalyptic number.

320949472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320949472 is a deficient number, since it is larger than the sum of its proper divisors (310919864).

320949472 is a wasteful number, since it uses less digits than its factorization.

320949472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10029681 (or 10029673 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 320949472 is about 17915.0627127007. The cubic root of 320949472 is about 684.6661999851. Note that the first 3 decimals are identical.

The spelling of 320949472 in words is "three hundred twenty million, nine hundred forty-nine thousand, four hundred seventy-two".