328768902 has 128 divisors (see below), whose sum is σ = 935930880. Its totient is φ = 83047680.

The previous prime is 328768889. The next prime is 328768907. The reversal of 328768902 is 209867823.

328768902 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328768907) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 152778 + ... + 154914.

It is an arithmetic number, because the mean of its divisors is an integer number (7311960).

Almost surely, 2^328768902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328768902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467965440).

328768902 is an abundant number, since it is smaller than the sum of its proper divisors (607161978).

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

328768902 is a wasteful number, since it uses less digits than its factorization.

328768902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203 (or 2197 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 328768902 is about 18131.9856055535. The cubic root of 328768902 is about 690.1819180068.

The spelling of 328768902 in words is "three hundred twenty-eight million, seven hundred sixty-eight thousand, nine hundred two".