1328498589 has 16 divisors (see below), whose sum is σ = 1934737920. Its totient is φ = 804160560.

The previous prime is 1328498533. The next prime is 1328498597. The reversal of 1328498589 is 9858948231.

It is a happy number.

It is not a de Polignac number, because 1328498589 - 2⁸ = 1328498333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328498789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2952 + ... + 51630.

It is an arithmetic number, because the mean of its divisors is an integer number (120921120).

Almost surely, 2^1328498589 is an apocalyptic number.

It is an amenable number.

1328498589 is a deficient number, since it is larger than the sum of its proper divisors (606239331).

1328498589 is a wasteful number, since it uses less digits than its factorization.

1328498589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49520.

The product of its digits is 4976640, while the sum is 57.

The square root of 1328498589 is about 36448.5745811822. The cubic root of 1328498589 is about 1099.3104739271.

The spelling of 1328498589 in words is "one billion, three hundred twenty-eight million, four hundred ninety-eight thousand, five hundred eighty-nine".