320487712 has 24 divisors (see below), whose sum is σ = 631359792. Its totient is φ = 160142400.

The previous prime is 320487707. The next prime is 320487719. The reversal of 320487712 is 217784023.

It is not an unprimeable number, because it can be changed into a prime (320487719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93387 + ... + 96757.

It is an arithmetic number, because the mean of its divisors is an integer number (26306658).

Almost surely, 2^320487712 is an apocalyptic number.

320487712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320487712 is a deficient number, since it is larger than the sum of its proper divisors (310872080).

320487712 is a wasteful number, since it uses less digits than its factorization.

320487712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6352 (or 6344 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 320487712 is about 17902.1705946514. The cubic root of 320487712 is about 684.3376921956.

The spelling of 320487712 in words is "three hundred twenty million, four hundred eighty-seven thousand, seven hundred twelve".