538280 has 16 divisors (see below), whose sum is σ = 1211220. Its totient is φ = 215296.

The previous prime is 538267. The next prime is 538283. The reversal of 538280 is 82835.

It can be written as a sum of positive squares in 2 ways, for example, as 487204 + 51076 = 698^2 + 226^2 .

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (538283) by changing a digit.

538280 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 3 ways as a sum of consecutive naturals, for example, 6689 + ... + 6768.

2⁵³⁸²⁸⁰ is an apocalyptic number.

It is an amenable number.

538280 is an abundant number, since it is smaller than the sum of its proper divisors (672940).

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

538280 is a wasteful number, since it uses less digits than its factorization.

538280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13468 (or 13464 counting only the distinct ones).

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

The square root of 538280 is about 733.6756776669. The cubic root of 538280 is about 81.3459773111.

It can be divided in two parts, 538 and 280, that added together give a palindrome (818).

The spelling of 538280 in words is "five hundred thirty-eight thousand, two hundred eighty".