328332500 has 60 divisors (see below), whose sum is σ = 730106916. Its totient is φ = 129120000.

The previous prime is 328332497. The next prime is 328332533. The reversal of 328332500 is 5233823.

It can be written as a sum of positive squares in 10 ways, for example, as 327320464 + 1012036 = 18092^2 + 1006^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 328332500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 151424 + ... + 153576.

Almost surely, 2^328332500 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 328332500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365053458).

328332500 is an abundant number, since it is smaller than the sum of its proper divisors (401774416).

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

328332500 is a wasteful number, since it uses less digits than its factorization.

328332500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238 (or 2221 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 328332500 is about 18119.9475716681. The cubic root of 328332500 is about 689.8764043834.

The spelling of 328332500 in words is "three hundred twenty-eight million, three hundred thirty-two thousand, five hundred".