538389 has 12 divisors (see below), whose sum is σ = 784576. Its totient is φ = 355752.

The previous prime is 538367. The next prime is 538397. The reversal of 538389 is 983835.

It is not a de Polignac number, because 538389 - 2⁵ = 538357 is a prime.

It is a Duffinian number.

538389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1284 + ... + 1650.

2⁵³⁸³⁸⁹ is an apocalyptic number.

It is an amenable number.

538389 is a deficient number, since it is larger than the sum of its proper divisors (246187).

538389 is a wasteful number, since it uses less digits than its factorization.

538389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 533 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 538389 is about 733.7499574106. The cubic root of 538389 is about 81.3514677083.

The spelling of 538389 in words is "five hundred thirty-eight thousand, three hundred eighty-nine".