728358 has 16 divisors (see below), whose sum is σ = 1465776. Its totient is φ = 241280.

The previous prime is 728333. The next prime is 728369. The reversal of 728358 is 853827.

728358 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

728358 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138 + ... + 1658.

It is an arithmetic number, because the mean of its divisors is an integer number (91611).

2⁷²⁸³⁵⁸ is an apocalyptic number.

728358 is an abundant number, since it is smaller than the sum of its proper divisors (737418).

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

728358 is a wasteful number, since it uses less digits than its factorization.

728358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759.

The product of its digits is 13440, while the sum is 33.

The square root of 728358 is about 853.4389257586. The cubic root of 728358 is about 89.9735724875.

The spelling of 728358 in words is "seven hundred twenty-eight thousand, three hundred fifty-eight".