328283772 has 12 divisors (see below), whose sum is σ = 765995496. Its totient is φ = 109427920.

The previous prime is 328283771. The next prime is 328283777. The reversal of 328283772 is 277382823.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328283771) 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, 13678479 + ... + 13678502.

It is an arithmetic number, because the mean of its divisors is an integer number (63832958).

Almost surely, 2^328283772 is an apocalyptic number.

It is an amenable number.

328283772 is an abundant number, since it is smaller than the sum of its proper divisors (437711724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328283772 is a wasteful number, since it uses less digits than its factorization.

328283772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27356988 (or 27356986 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 328283772 is about 18118.6029262744. The cubic root of 328283772 is about 689.8422743876.

The spelling of 328283772 in words is "three hundred twenty-eight million, two hundred eighty-three thousand, seven hundred seventy-two".