328285939 has 4 divisors (see below), whose sum is σ = 338875840. Its totient is φ = 317696040.

The previous prime is 328285921. The next prime is 328285967. The reversal of 328285939 is 939582823.

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 328285939 - 2⁵ = 328285907 is a prime.

It is a super-2 number, since 2×328285939² = 215543315490223442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328285892 and 328285901.

It is not an unprimeable number, because it can be changed into a prime (328205939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5294904 + ... + 5294965.

It is an arithmetic number, because the mean of its divisors is an integer number (84718960).

Almost surely, 2^328285939 is an apocalyptic number.

328285939 is a deficient number, since it is larger than the sum of its proper divisors (10589901).

328285939 is a wasteful number, since it uses less digits than its factorization.

328285939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10589900.

The product of its digits is 933120, while the sum is 49.

The square root of 328285939 is about 18118.6627265922. The cubic root of 328285939 is about 689.8437922664.

The spelling of 328285939 in words is "three hundred twenty-eight million, two hundred eighty-five thousand, nine hundred thirty-nine".