1328104004 has 24 divisors (see below), whose sum is σ = 2380224000. Its totient is φ = 648118656.

The previous prime is 1328103991. The next prime is 1328104007. The reversal of 1328104004 is 4004018231.

It is not an unprimeable number, because it can be changed into a prime (1328104007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59372 + ... + 78620.

It is an arithmetic number, because the mean of its divisors is an integer number (99176000).

Almost surely, 2^1328104004 is an apocalyptic number.

It is an amenable number.

1328104004 is a deficient number, since it is larger than the sum of its proper divisors (1052119996).

1328104004 is a wasteful number, since it uses less digits than its factorization.

1328104004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19667 (or 19665 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1328104004 is about 36443.1612789011. The cubic root of 1328104004 is about 1099.2016256429.

The spelling of 1328104004 in words is "one billion, three hundred twenty-eight million, one hundred four thousand, four".