328074816 has 56 divisors (see below), whose sum is σ = 870163360. Its totient is φ = 109089792.

The previous prime is 328074811. The next prime is 328074839. The reversal of 328074816 is 618470823.

It is not an unprimeable number, because it can be changed into a prime (328074811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85875 + ... + 89613.

Almost surely, 2^328074816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328074816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435081680).

328074816 is an abundant number, since it is smaller than the sum of its proper divisors (542088544).

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

328074816 is a wasteful number, since it uses less digits than its factorization.

328074816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211 (or 4201 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 328074816 is about 18112.8356697674. The cubic root of 328074816 is about 689.6958794197.

The spelling of 328074816 in words is "three hundred twenty-eight million, seventy-four thousand, eight hundred sixteen".