328999068 has 18 divisors (see below), whose sum is σ = 831636624. Its totient is φ = 109666344.

The previous prime is 328999039. The next prime is 328999093. The reversal of 328999068 is 860999823.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4569396 + ... + 4569467.

Almost surely, 2^328999068 is an apocalyptic number.

It is an amenable number.

328999068 is an abundant number, since it is smaller than the sum of its proper divisors (502637556).

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

328999068 is a wasteful number, since it uses less digits than its factorization.

328999068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9138873 (or 9138868 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 328999068 is about 18138.3314557872. The cubic root of 328999068 is about 690.3429423147.

The spelling of 328999068 in words is "three hundred twenty-eight million, nine hundred ninety-nine thousand, sixty-eight".