1328748304 has 45 divisors (see below), whose sum is σ = 2791700319. Its totient is φ = 612393600.

The previous prime is 1328748301. The next prime is 1328748313. The reversal of 1328748304 is 4038478231.

The square root of 1328748304 is 36452.

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

It can be written as a sum of positive squares in 4 ways, for example, as 291600 + 1328456704 = 540^2 + 36448^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1328748301) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1895154 + ... + 1895854.

Almost surely, 2^1328748304 is an apocalyptic number.

1328748304 is the 36452-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1328748304

1328748304 is an abundant number, since it is smaller than the sum of its proper divisors (1462952015).

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

1328748304 is an frugal number, since it uses more digits than its factorization.

1328748304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The cubic root of 1328748304 is about 1099.3793479475.

The spelling of 1328748304 in words is "one billion, three hundred twenty-eight million, seven hundred forty-eight thousand, three hundred four".