538489 has 8 divisors (see below), whose sum is σ = 630080. Its totient is φ = 450576.

The previous prime is 538487. The next prime is 538511. The reversal of 538489 is 984835.

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

It is not a de Polignac number, because 538489 - 2¹ = 538487 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594 + ... + 1195.

It is an arithmetic number, because the mean of its divisors is an integer number (78760).

2⁵³⁸⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

538489 is a deficient number, since it is larger than the sum of its proper divisors (91591).

538489 is a wasteful number, since it uses less digits than its factorization.

538489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839.

The product of its digits is 34560, while the sum is 37.

The square root of 538489 is about 733.8180973511. The cubic root of 538489 is about 81.3565041183.

Adding to 538489 its product of digits (34560), we get a square (573049 = 757²).

The spelling of 538489 in words is "five hundred thirty-eight thousand, four hundred eighty-nine".