328091733 has 36 divisors (see below), whose sum is σ = 491593284. Its totient is φ = 210816000.

The previous prime is 328091723. The next prime is 328091747. The reversal of 328091733 is 337190823.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 35784324 + 292307409 = 5982^2 + 17097^2 .

It is not a de Polignac number, because 328091733 - 2⁶ = 328091669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328091713) 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 35 ways as a sum of consecutive naturals, for example, 3248383 + ... + 3248483.

It is an arithmetic number, because the mean of its divisors is an integer number (13655369).

Almost surely, 2^328091733 is an apocalyptic number.

It is an amenable number.

328091733 is a deficient number, since it is larger than the sum of its proper divisors (163501551).

328091733 is a wasteful number, since it uses less digits than its factorization.

328091733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 328091733 is about 18113.3026530227. The cubic root of 328091733 is about 689.7077338140.

The spelling of 328091733 in words is "three hundred twenty-eight million, ninety-one thousand, seven hundred thirty-three".