728818046 has 8 divisors (see below), whose sum is σ = 1192611384. Its totient is φ = 331280920.

The previous prime is 728818037. The next prime is 728818061. The reversal of 728818046 is 640818827.

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 = 728817988 and 728818006.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16564025 + ... + 16564068.

It is an arithmetic number, because the mean of its divisors is an integer number (149076423).

Almost surely, 2^728818046 is an apocalyptic number.

728818046 is a deficient number, since it is larger than the sum of its proper divisors (463793338).

728818046 is a wasteful number, since it uses less digits than its factorization.

728818046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33128106.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 728818046 is about 26996.6302712024. The cubic root of 728818046 is about 899.9251155801.

The spelling of 728818046 in words is "seven hundred twenty-eight million, eight hundred eighteen thousand, forty-six".