328476985 has 8 divisors (see below), whose sum is σ = 395417736. Its totient is φ = 261951360.

The previous prime is 328476983. The next prime is 328476989. The reversal of 328476985 is 589674823.

It can be written as a sum of positive squares in 4 ways, for example, as 16883881 + 311593104 = 4109^2 + 17652^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 328476985 - 2¹ = 328476983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328476983) 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 7 ways as a sum of consecutive naturals, for example, 102036 + ... + 105205.

It is an arithmetic number, because the mean of its divisors is an integer number (49427217).

Almost surely, 2^328476985 is an apocalyptic number.

It is an amenable number.

328476985 is a deficient number, since it is larger than the sum of its proper divisors (66940751).

328476985 is a wasteful number, since it uses less digits than its factorization.

328476985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207563.

The product of its digits is 2903040, while the sum is 52.

The square root of 328476985 is about 18123.9340376200. The cubic root of 328476985 is about 689.9775845130.

The spelling of 328476985 in words is "three hundred twenty-eight million, four hundred seventy-six thousand, nine hundred eighty-five".