320326612 has 48 divisors (see below), whose sum is σ = 605969280. Its totient is φ = 147768192.

The previous prime is 320326609. The next prime is 320326613. The reversal of 320326612 is 216623023.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320326613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472818 + ... + 473494.

It is an arithmetic number, because the mean of its divisors is an integer number (12624360).

Almost surely, 2^320326612 is an apocalyptic number.

It is an amenable number.

320326612 is a deficient number, since it is larger than the sum of its proper divisors (285642668).

320326612 is a wasteful number, since it uses less digits than its factorization.

320326612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 320326612 is about 17897.6705746865. The cubic root of 320326612 is about 684.2230073201.

Adding to 320326612 its reverse (216623023), we get a palindrome (536949635).

The spelling of 320326612 in words is "three hundred twenty million, three hundred twenty-six thousand, six hundred twelve".