328946886 has 32 divisors (see below), whose sum is σ = 769468800. Its totient is φ = 103877640.

The previous prime is 328946879. The next prime is 328946941. The reversal of 328946886 is 688649823.

It is a super-3 number, since 3×328946886³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159280 + ... + 161331.

It is an arithmetic number, because the mean of its divisors is an integer number (24045900).

Almost surely, 2^328946886 is an apocalyptic number.

328946886 is an abundant number, since it is smaller than the sum of its proper divisors (440521914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328946886 is a wasteful number, since it uses less digits than its factorization.

328946886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320641 (or 320635 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 328946886 is about 18136.8929533148. The cubic root of 328946886 is about 690.3064423328.

The spelling of 328946886 in words is "three hundred twenty-eight million, nine hundred forty-six thousand, eight hundred eighty-six".