328903884 has 18 divisors (see below), whose sum is σ = 831396020. Its totient is φ = 109634616.

The previous prime is 328903847. The next prime is 328903891. The reversal of 328903884 is 488309823.

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

It is a super-3 number, since 3×328903884³ (a number of 27 digits) contains 333 as substring.

It is a plaindrome in base 16.

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, 4568074 + ... + 4568145.

Almost surely, 2^328903884 is an apocalyptic number.

It is an amenable number.

328903884 is an abundant number, since it is smaller than the sum of its proper divisors (502492136).

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

328903884 is a wasteful number, since it uses less digits than its factorization.

328903884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9136229 (or 9136224 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 328903884 is about 18135.7074303706. The cubic root of 328903884 is about 690.2763606261.

The spelling of 328903884 in words is "three hundred twenty-eight million, nine hundred three thousand, eight hundred eighty-four".