328695808 has 64 divisors (see below), whose sum is σ = 751817520. Its totient is φ = 140771328.

The previous prime is 328695793. The next prime is 328695817. The reversal of 328695808 is 808596823.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent 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, 228660 + ... + 230092.

Almost surely, 2^328695808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328695808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375908760).

328695808 is an abundant number, since it is smaller than the sum of its proper divisors (423121712).

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

328695808 is an frugal number, since it uses more digits than its factorization.

328695808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 328695808 is about 18129.9698841449. The cubic root of 328695808 is about 690.1307656665.

The spelling of 328695808 in words is "three hundred twenty-eight million, six hundred ninety-five thousand, eight hundred eight".