328191416 has 96 divisors (see below), whose sum is σ = 757188000. Its totient is φ = 132701184.

The previous prime is 328191377. The next prime is 328191419. The reversal of 328191416 is 614191823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328191419) 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 23 ways as a sum of consecutive naturals, for example, 802220 + ... + 802628.

It is an arithmetic number, because the mean of its divisors is an integer number (7887375).

Almost surely, 2^328191416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328191416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378594000).

328191416 is an abundant number, since it is smaller than the sum of its proper divisors (428996584).

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

328191416 is a wasteful number, since it uses less digits than its factorization.

328191416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 530 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 328191416 is about 18116.0540957461. The cubic root of 328191416 is about 689.7775772626. Note that the first 3 decimals are identical.

The spelling of 328191416 in words is "three hundred twenty-eight million, one hundred ninety-one thousand, four hundred sixteen".