728248 has 32 divisors (see below), whose sum is σ = 1465200. Its totient is φ = 338688.

The previous prime is 728209. The next prime is 728261. The reversal of 728248 is 842827.

728248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9940 + ... + 10012.

2⁷²⁸²⁴⁸ is an apocalyptic number.

It is an amenable number.

728248 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728248 is a wasteful number, since it uses less digits than its factorization.

728248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 147 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 728248 is about 853.3744781747. The cubic root of 728248 is about 89.9690428509.

The spelling of 728248 in words is "seven hundred twenty-eight thousand, two hundred forty-eight".