328316238 has 96 divisors (see below), whose sum is σ = 778377600. Its totient is φ = 99672768.

The previous prime is 328316173. The next prime is 328316239. The reversal of 328316238 is 832613823.

328316238 is a `hidden beast` number, since 3 + 28 + 3 + 1 + 623 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328316239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1069281 + ... + 1069587.

It is an arithmetic number, because the mean of its divisors is an integer number (8108100).

Almost surely, 2^328316238 is an apocalyptic number.

328316238 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 328316238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389188800).

328316238 is an abundant number, since it is smaller than the sum of its proper divisors (450061362).

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

328316238 is a wasteful number, since it uses less digits than its factorization.

328316238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 443 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 328316238 is about 18119.4988341289. The cubic root of 328316238 is about 689.8650145522.

The spelling of 328316238 in words is "three hundred twenty-eight million, three hundred sixteen thousand, two hundred thirty-eight".