8213601328 has 20 divisors (see below), whose sum is σ = 16462607040. Its totient is φ = 3965186624.

The previous prime is 8213601301. The next prime is 8213601337. The reversal of 8213601328 is 8231063128.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8213601293 and 8213601302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8850400 + ... + 8851327.

It is an arithmetic number, because the mean of its divisors is an integer number (823130352).

Almost surely, 2^8213601328 is an apocalyptic number.

It is an amenable number.

8213601328 is an abundant number, since it is smaller than the sum of its proper divisors (8249005712).

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

8213601328 is a wasteful number, since it uses less digits than its factorization.

8213601328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17701764 (or 17701758 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 8213601328 is about 90628.9210351751. The cubic root of 8213601328 is about 2017.6439976105.

The spelling of 8213601328 in words is "eight billion, two hundred thirteen million, six hundred one thousand, three hundred twenty-eight".