328196512 has 72 divisors (see below), whose sum is σ = 772079364. Its totient is φ = 136829952.

The previous prime is 328196507. The next prime is 328196521. The reversal of 328196512 is 215691823.

It can be written as a sum of positive squares in 2 ways, for example, as 328189456 + 7056 = 18116^2 + 84^2 .

It is a super-2 number, since 2×328196512² = 215425900977932288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55188 + ... + 60844.

Almost surely, 2^328196512 is an apocalyptic number.

328196512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328196512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386039682).

328196512 is an abundant number, since it is smaller than the sum of its proper divisors (443882852).

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

328196512 is a wasteful number, since it uses less digits than its factorization.

328196512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718 (or 5703 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 328196512 is about 18116.1947439301. The cubic root of 328196512 is about 689.7811474234.

The spelling of 328196512 in words is "three hundred twenty-eight million, one hundred ninety-six thousand, five hundred twelve".