328797828 has 36 divisors (see below), whose sum is σ = 837119920. Its totient is φ = 108809136.

The previous prime is 328797809. The next prime is 328797829. The reversal of 328797828 is 828797823.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (328797829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27850 + ... + 37857.

Almost surely, 2^328797828 is an apocalyptic number.

It is an amenable number.

328797828 is an abundant number, since it is smaller than the sum of its proper divisors (508322092).

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

328797828 is a wasteful number, since it uses less digits than its factorization.

328797828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65856 (or 65851 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 328797828 is about 18132.7832392052. The cubic root of 328797828 is about 690.2021587864.

The spelling of 328797828 in words is "three hundred twenty-eight million, seven hundred ninety-seven thousand, eight hundred twenty-eight".