1328894116 has 27 divisors (see below), whose sum is σ = 2557742817. Its totient is φ = 603678240.

The previous prime is 1328894087. The next prime is 1328894129. The reversal of 1328894116 is 6114988231.

The square root of 1328894116 is 36454.

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

It can be written as a sum of positive squares in only one way, i.e., 423124900 + 905769216 = 20570^2 + 30096^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 801160 + ... + 802816.

Almost surely, 2^1328894116 is an apocalyptic number.

1328894116 is the 36454-th square number.

It is an amenable number.

1328894116 is a deficient number, since it is larger than the sum of its proper divisors (1228848701).

1328894116 is an equidigital number, since it uses as much as digits as its factorization.

1328894116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340 (or 1670 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The cubic root of 1328894116 is about 1099.4195604386.

Multiplying 1328894116 by its product of digits (82944), we get a square (110223793557504 = 10498752²).

The spelling of 1328894116 in words is "one billion, three hundred twenty-eight million, eight hundred ninety-four thousand, one hundred sixteen".