548728 has 16 divisors (see below), whose sum is σ = 1039680. Its totient is φ = 271488.

The previous prime is 548719. The next prime is 548749. The reversal of 548728 is 827845.

It is a super-2 number, since 2×548728² = 602204835968, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 548693 and 548702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601 + ... + 1207.

It is an arithmetic number, because the mean of its divisors is an integer number (64980).

2⁵⁴⁸⁷²⁸ is an apocalyptic number.

It is an amenable number.

548728 is a deficient number, since it is larger than the sum of its proper divisors (490952).

548728 is a wasteful number, since it uses less digits than its factorization.

548728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 722 counting only the distinct ones).

The product of its digits is 17920, while the sum is 34.

The square root of 548728 is about 740.7617700719. The cubic root of 548728 is about 81.8689160835.

It can be divided in two parts, 54872 and 8, that multiplied together give a cube (438976 = 76³).

The spelling of 548728 in words is "five hundred forty-eight thousand, seven hundred twenty-eight".