328668474 has 8 divisors (see below), whose sum is σ = 657336960. Its totient is φ = 109556156.

The previous prime is 328668451. The next prime is 328668481. The reversal of 328668474 is 474866823.

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

328668474 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27389034 + ... + 27389045.

It is an arithmetic number, because the mean of its divisors is an integer number (82167120).

Almost surely, 2^328668474 is an apocalyptic number.

328668474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

328668474 is a wasteful number, since it uses less digits than its factorization.

328668474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54778084.

The product of its digits is 1548288, while the sum is 48.

The square root of 328668474 is about 18129.2160337947. The cubic root of 328668474 is about 690.1116349517. Note that the first 3 decimals are identical.

The spelling of 328668474 in words is "three hundred twenty-eight million, six hundred sixty-eight thousand, four hundred seventy-four".