328630885 has 16 divisors (see below), whose sum is σ = 437503680. Its totient is φ = 234951040.

The previous prime is 328630879. The next prime is 328630891. The reversal of 328630885 is 588036823.

It is an interprime number because it is at equal distance from previous prime (328630879) and next prime (328630891).

It is not a de Polignac number, because 328630885 - 2⁵ = 328630853 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 47392 + ... + 53881.

It is an arithmetic number, because the mean of its divisors is an integer number (27343980).

Almost surely, 2^328630885 is an apocalyptic number.

It is an amenable number.

328630885 is a deficient number, since it is larger than the sum of its proper divisors (108872795).

328630885 is a wasteful number, since it uses less digits than its factorization.

328630885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101348.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 328630885 is about 18128.1793073656. The cubic root of 328630885 is about 690.0853251621.

The spelling of 328630885 in words is "three hundred twenty-eight million, six hundred thirty thousand, eight hundred eighty-five".