328420764 has 96 divisors (see below), whose sum is σ = 979650560. Its totient is φ = 93203136.

The previous prime is 328420759. The next prime is 328420777. The reversal of 328420764 is 467024823.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117309 + ... + 120075.

Almost surely, 2^328420764 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 328420764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489825280).

328420764 is an abundant number, since it is smaller than the sum of its proper divisors (651229796).

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

328420764 is a wasteful number, since it uses less digits than its factorization.

328420764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2936 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 328420764 is about 18122.3829558919. The cubic root of 328420764 is about 689.9382175306.

The spelling of 328420764 in words is "three hundred twenty-eight million, four hundred twenty thousand, seven hundred sixty-four".