328972106 has 8 divisors (see below), whose sum is σ = 506794980. Its totient is φ = 160040448.

The previous prime is 328972103. The next prime is 328972123. The reversal of 328972106 is 601279823.

328972106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 259499881 + 69472225 = 16109^2 + 8335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 328972106.

It is not an unprimeable number, because it can be changed into a prime (328972103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2222711 + ... + 2222858.

Almost surely, 2^328972106 is an apocalyptic number.

328972106 is a deficient number, since it is larger than the sum of its proper divisors (177822874).

328972106 is a wasteful number, since it uses less digits than its factorization.

328972106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4445608.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 328972106 is about 18137.5882079178. The cubic root of 328972106 is about 690.3240835634.

The spelling of 328972106 in words is "three hundred twenty-eight million, nine hundred seventy-two thousand, one hundred six".