320007812 has 12 divisors (see below), whose sum is σ = 568372560. Its totient is φ = 157615656.

The previous prime is 320007797. The next prime is 320007817. The reversal of 320007812 is 218700023.

320007812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (320007817) 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, 596762 + ... + 597297.

It is an arithmetic number, because the mean of its divisors is an integer number (47364380).

Almost surely, 2^320007812 is an apocalyptic number.

It is an amenable number.

320007812 is a deficient number, since it is larger than the sum of its proper divisors (248364748).

320007812 is a wasteful number, since it uses less digits than its factorization.

320007812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194130 (or 1194128 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 320007812 is about 17888.7621707037. The cubic root of 320007812 is about 683.9959445971.

Adding to 320007812 its reverse (218700023), we get a palindrome (538707835).

The spelling of 320007812 in words is "three hundred twenty million, seven thousand, eight hundred twelve".