538289 has 8 divisors (see below), whose sum is σ = 581280. Its totient is φ = 496800.

The previous prime is 538283. The next prime is 538297. The reversal of 538289 is 982835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538289 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 5⁵ + 3⁷ + 2⁹ + 8³ + 8³ + 9⁶ .

It is a Duffinian number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434 + ... + 1124.

It is an arithmetic number, because the mean of its divisors is an integer number (72660).

2⁵³⁸²⁸⁹ is an apocalyptic number.

It is an amenable number.

538289 is a deficient number, since it is larger than the sum of its proper divisors (42991).

538289 is a wasteful number, since it uses less digits than its factorization.

538289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751.

The product of its digits is 17280, while the sum is 35.

The square root of 538289 is about 733.6818111416. The cubic root of 538289 is about 81.3464306747.

The spelling of 538289 in words is "five hundred thirty-eight thousand, two hundred eighty-nine".