328630886 has 4 divisors (see below), whose sum is σ = 492946332. Its totient is φ = 164315442.

The previous prime is 328630879. The next prime is 328630891. The reversal of 328630886 is 688036823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 688036823 = 14503 ⋅47441.

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 as a sum of consecutive naturals, namely, 82157720 + ... + 82157723.

It is an arithmetic number, because the mean of its divisors is an integer number (123236583).

Almost surely, 2^328630886 is an apocalyptic number.

328630886 is a deficient number, since it is larger than the sum of its proper divisors (164315446).

328630886 is a wasteful number, since it uses less digits than its factorization.

328630886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164315445.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 328630886 is about 18128.1793349470. The cubic root of 328630886 is about 690.0853258620.

The spelling of 328630886 in words is "three hundred twenty-eight million, six hundred thirty thousand, eight hundred eighty-six".