328887936 has 96 divisors (see below), whose sum is σ = 1019256420. Its totient is φ = 101191680.

The previous prime is 328887913. The next prime is 328887941. The reversal of 328887936 is 639788823.

It can be written as a sum of positive squares in 2 ways, for example, as 328334400 + 553536 = 18120^2 + 744^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3996 + ... + 25956.

Almost surely, 2^328887936 is an apocalyptic number.

328887936 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328887936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509628210).

328887936 is an abundant number, since it is smaller than the sum of its proper divisors (690368484).

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

328887936 is a wasteful number, since it uses less digits than its factorization.

328887936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21994 (or 21979 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 328887936 is about 18135.2677399591. The cubic root of 328887936 is about 690.2652036631.

The spelling of 328887936 in words is "three hundred twenty-eight million, eight hundred eighty-seven thousand, nine hundred thirty-six".