538028 has 6 divisors (see below), whose sum is σ = 941556. Its totient is φ = 269012.

The previous prime is 538019. The next prime is 538049. The reversal of 538028 is 820835.

It is a junction number, because it is equal to n+sod(n) for n = 537988 and 538006.

It is an unprimeable number.

538028 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 as a sum of consecutive naturals, namely, 67250 + ... + 67257.

It is an arithmetic number, because the mean of its divisors is an integer number (156926).

2⁵³⁸⁰²⁸ is an apocalyptic number.

It is an amenable number.

538028 is a deficient number, since it is larger than the sum of its proper divisors (403528).

538028 is a wasteful number, since it uses less digits than its factorization.

538028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134511 (or 134509 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 538028 is about 733.5039195533. The cubic root of 538028 is about 81.3332810773. Note that the first 3 decimals are identical.

The spelling of 538028 in words is "five hundred thirty-eight thousand, twenty-eight".