328969272 has 128 divisors (see below), whose sum is σ = 893952000. Its totient is φ = 100638720.

The previous prime is 328969271. The next prime is 328969273. The reversal of 328969272 is 272969823.

It is an interprime number because it is at equal distance from previous prime (328969271) and next prime (328969273).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328969271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1704408 + ... + 1704600.

It is an arithmetic number, because the mean of its divisors is an integer number (6984000).

Almost surely, 2^328969272 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 328969272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446976000).

328969272 is an abundant number, since it is smaller than the sum of its proper divisors (564982728).

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

328969272 is a wasteful number, since it uses less digits than its factorization.

328969272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 337 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 328969272 is about 18137.5100826988. The cubic root of 328969272 is about 690.3221012432.

The spelling of 328969272 in words is "three hundred twenty-eight million, nine hundred sixty-nine thousand, two hundred seventy-two".