728148589 has 8 divisors (see below), whose sum is σ = 839947968. Its totient is φ = 618293760.

The previous prime is 728148583. The next prime is 728148599. The reversal of 728148589 is 985841827.

It is a happy number.

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

It is not a de Polignac number, because 728148589 - 2¹¹ = 728146541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728148583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485332 + ... + 486829.

It is an arithmetic number, because the mean of its divisors is an integer number (104993496).

Almost surely, 2^728148589 is an apocalyptic number.

It is an amenable number.

728148589 is a deficient number, since it is larger than the sum of its proper divisors (111799379).

728148589 is a wasteful number, since it uses less digits than its factorization.

728148589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972275.

The product of its digits is 1290240, while the sum is 52.

The square root of 728148589 is about 26984.2285233430. The cubic root of 728148589 is about 899.6494886115.

The spelling of 728148589 in words is "seven hundred twenty-eight million, one hundred forty-eight thousand, five hundred eighty-nine".