328499239 has 4 divisors (see below), whose sum is σ = 331688656. Its totient is φ = 325309824.

The previous prime is 328499233. The next prime is 328499243. The reversal of 328499239 is 932994823.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328499239 - 2⁵ = 328499207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328499192 and 328499201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328499233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594554 + ... + 1594759.

It is an arithmetic number, because the mean of its divisors is an integer number (82922164).

Almost surely, 2^328499239 is an apocalyptic number.

328499239 is a deficient number, since it is larger than the sum of its proper divisors (3189417).

328499239 is a wasteful number, since it uses less digits than its factorization.

328499239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189416.

The product of its digits is 839808, while the sum is 49.

The square root of 328499239 is about 18124.5479667770. The cubic root of 328499239 is about 689.9931659339.

The spelling of 328499239 in words is "three hundred twenty-eight million, four hundred ninety-nine thousand, two hundred thirty-nine".