1328798604 has 24 divisors (see below), whose sum is σ = 3543463168. Its totient is φ = 379656720.

The previous prime is 1328798593. The next prime is 1328798621. The reversal of 1328798604 is 4068978231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7909432 + ... + 7909599.

Almost surely, 2^1328798604 is an apocalyptic number.

1328798604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1328798604 is an abundant number, since it is smaller than the sum of its proper divisors (2214664564).

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

1328798604 is a wasteful number, since it uses less digits than its factorization.

1328798604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15819045 (or 15819043 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 1328798604 is about 36452.6899418959. The cubic root of 1328798604 is about 1099.3932201718.

The spelling of 1328798604 in words is "one billion, three hundred twenty-eight million, seven hundred ninety-eight thousand, six hundred four".