328485684 has 24 divisors (see below), whose sum is σ = 766973088. Its totient is φ = 109422880.

The previous prime is 328485637. The next prime is 328485691. The reversal of 328485684 is 486584823.

It is a super-3 number, since 3×328485684³ (a number of 27 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 11794 + ... + 28214.

It is an arithmetic number, because the mean of its divisors is an integer number (31957212).

Almost surely, 2^328485684 is an apocalyptic number.

It is an amenable number.

328485684 is an abundant number, since it is smaller than the sum of its proper divisors (438487404).

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

328485684 is a wasteful number, since it uses less digits than its factorization.

328485684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18095 (or 18093 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 48.

The square root of 328485684 is about 18124.1740225589. The cubic root of 328485684 is about 689.9836753122.

The spelling of 328485684 in words is "three hundred twenty-eight million, four hundred eighty-five thousand, six hundred eighty-four".