328306887 has 12 divisors (see below), whose sum is σ = 474430320. Its totient is φ = 218774688.

The previous prime is 328306877. The next prime is 328306897. The reversal of 328306887 is 788603823.

It is an interprime number because it is at equal distance from previous prime (328306877) and next prime (328306897).

It is not a de Polignac number, because 328306887 - 2¹⁹ = 327782599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328306837) 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 11 ways as a sum of consecutive naturals, for example, 17878 + ... + 31244.

It is an arithmetic number, because the mean of its divisors is an integer number (39535860).

Almost surely, 2^328306887 is an apocalyptic number.

328306887 is a deficient number, since it is larger than the sum of its proper divisors (146123433).

328306887 is a wasteful number, since it uses less digits than its factorization.

328306887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16102 (or 16099 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 328306887 is about 18119.2407953534. The cubic root of 328306887 is about 689.8584649837.

The spelling of 328306887 in words is "three hundred twenty-eight million, three hundred six thousand, eight hundred eighty-seven".