328506136 has 48 divisors (see below), whose sum is σ = 713873520. Its totient is φ = 138816000.

The previous prime is 328506133. The next prime is 328506151. The reversal of 328506136 is 631605823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328506133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1362976 + ... + 1363216.

It is an arithmetic number, because the mean of its divisors is an integer number (14872365).

Almost surely, 2^328506136 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 328506136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356936760).

328506136 is an abundant number, since it is smaller than the sum of its proper divisors (385367384).

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

328506136 is a wasteful number, since it uses less digits than its factorization.

328506136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 328506136 is about 18124.7382325925. The cubic root of 328506136 is about 689.9979948132.

The spelling of 328506136 in words is "three hundred twenty-eight million, five hundred six thousand, one hundred thirty-six".