533728 has 24 divisors (see below), whose sum is σ = 1132488. Its totient is φ = 246144.

The previous prime is 533723. The next prime is 533737. The reversal of 533728 is 827335.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 5² + 3⁷ + 7 + 3¹² + 2² + 8² .

It is a junction number, because it is equal to n+sod(n) for n = 533696 and 533705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226 + ... + 1057.

It is an arithmetic number, because the mean of its divisors is an integer number (47187).

2⁵³³⁷²⁸ is an apocalyptic number.

It is an amenable number.

533728 is an abundant number, since it is smaller than the sum of its proper divisors (598760).

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

533728 is a wasteful number, since it uses less digits than its factorization.

533728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1298 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 533728 is about 730.5669031649. The cubic root of 533728 is about 81.1160253620.

It can be divided in two parts, 5 and 33728, that added together give a palindrome (33733).

The spelling of 533728 in words is "five hundred thirty-three thousand, seven hundred twenty-eight".