328532109 has 8 divisors (see below), whose sum is σ = 441492480. Its totient is φ = 217296576.

The previous prime is 328532101. The next prime is 328532117. The reversal of 328532109 is 901235823.

It is an interprime number because it is at equal distance from previous prime (328532101) and next prime (328532117).

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

It is not a de Polignac number, because 328532109 - 2³ = 328532101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328532109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328532101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430764 + ... + 431525.

It is an arithmetic number, because the mean of its divisors is an integer number (55186560).

Almost surely, 2^328532109 is an apocalyptic number.

It is an amenable number.

328532109 is a deficient number, since it is larger than the sum of its proper divisors (112960371).

328532109 is a wasteful number, since it uses less digits than its factorization.

328532109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862419.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 328532109 is about 18125.4547253303. The cubic root of 328532109 is about 690.0161789947.

The spelling of 328532109 in words is "three hundred twenty-eight million, five hundred thirty-two thousand, one hundred nine".