1328808471 has 8 divisors (see below), whose sum is σ = 1787424240. Its totient is φ = 878032512.

The previous prime is 1328808461. The next prime is 1328808517. The reversal of 1328808471 is 1748088231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1328808471 - 2⁶ = 1328808407 is a prime.

It is a super-3 number, since 3×1328808471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328808461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1959556 + ... + 1960233.

It is an arithmetic number, because the mean of its divisors is an integer number (223428030).

Almost surely, 2^1328808471 is an apocalyptic number.

1328808471 is a deficient number, since it is larger than the sum of its proper divisors (458615769).

1328808471 is a wasteful number, since it uses less digits than its factorization.

1328808471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3919905.

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 1328808471 is about 36452.8252814511. The cubic root of 1328808471 is about 1099.3959413482.

The spelling of 1328808471 in words is "one billion, three hundred twenty-eight million, eight hundred eight thousand, four hundred seventy-one".