1328310916 has 9 divisors (see below), whose sum is σ = 2324671671. Its totient is φ = 664119012.

The previous prime is 1328310889. The next prime is 1328310917. The reversal of 1328310916 is 6190138231.

The square root of 1328310916 is 36446.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1328310917) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 63781 + ... + 82003.

Almost surely, 2^1328310916 is an apocalyptic number.

1328310916 is the 36446-th square number.

It is an amenable number.

1328310916 is a deficient number, since it is larger than the sum of its proper divisors (996360755).

1328310916 is an frugal number, since it uses more digits than its factorization.

1328310916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36450 (or 18225 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The cubic root of 1328310916 is about 1099.2587060612.

The spelling of 1328310916 in words is "one billion, three hundred twenty-eight million, three hundred ten thousand, nine hundred sixteen".