328885326 has 256 divisors, whose sum is σ = 1006387200. Its totient is φ = 76982400.

The previous prime is 328885321. The next prime is 328885331. The reversal of 328885326 is 623588823.

328885326 is a `hidden beast` number, since 32 + 8 + 88 + 532 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (328885321) and next prime (328885331).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328885321) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1816956 + ... + 1817136.

It is an arithmetic number, because the mean of its divisors is an integer number (3931200).

Almost surely, 2^328885326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328885326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503193600).

328885326 is an abundant number, since it is smaller than the sum of its proper divisors (677501874).

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

328885326 is a wasteful number, since it uses less digits than its factorization.

328885326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 246 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 328885326 is about 18135.1957805809. The cubic root of 328885326 is about 690.2633777150.

The spelling of 328885326 in words is "three hundred twenty-eight million, eight hundred eighty-five thousand, three hundred twenty-six".