728528846 has 8 divisors (see below), whose sum is σ = 1157075280. Its totient is φ = 342837088.

The previous prime is 728528839. The next prime is 728528849. The reversal of 728528846 is 648825827.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 728528794 and 728528803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728528849) 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 3 ways as a sum of consecutive naturals, for example, 10713626 + ... + 10713693.

It is an arithmetic number, because the mean of its divisors is an integer number (144634410).

Almost surely, 2^728528846 is an apocalyptic number.

728528846 is a deficient number, since it is larger than the sum of its proper divisors (428546434).

728528846 is a wasteful number, since it uses less digits than its factorization.

728528846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21427338.

The product of its digits is 1720320, while the sum is 50.

The square root of 728528846 is about 26991.2735157124. The cubic root of 728528846 is about 899.8060676794.

The spelling of 728528846 in words is "seven hundred twenty-eight million, five hundred twenty-eight thousand, eight hundred forty-six".