328012628 has 24 divisors (see below), whose sum is σ = 589268904. Its totient is φ = 159667200.

The previous prime is 328012627. The next prime is 328012631. The reversal of 328012628 is 826210823.

It can be written as a sum of positive squares in 4 ways, for example, as 10745284 + 317267344 = 3278^2 + 17812^2 .

328012628 is a modest number, since divided by 12628 gives 328 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 328012594 and 328012603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328012627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86876 + ... + 90572.

It is an arithmetic number, because the mean of its divisors is an integer number (24552871).

Almost surely, 2^328012628 is an apocalyptic number.

It is an amenable number.

328012628 is a deficient number, since it is larger than the sum of its proper divisors (261256276).

328012628 is a wasteful number, since it uses less digits than its factorization.

328012628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283 (or 4281 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 328012628 is about 18111.1189052471. The cubic root of 328012628 is about 689.6522983872.

The spelling of 328012628 in words is "three hundred twenty-eight million, twelve thousand, six hundred twenty-eight".