508389 has 16 divisors (see below), whose sum is σ = 794112. Its totient is φ = 283248.

The previous prime is 508373. The next prime is 508393. The reversal of 508389 is 983805.

It is not a de Polignac number, because 508389 - 2⁴ = 508373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508349) 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 15 ways as a sum of consecutive naturals, for example, 622 + ... + 1184.

It is an arithmetic number, because the mean of its divisors is an integer number (49632).

2⁵⁰⁸³⁸⁹ is an apocalyptic number.

It is an amenable number.

508389 is a deficient number, since it is larger than the sum of its proper divisors (285723).

508389 is a wasteful number, since it uses less digits than its factorization.

508389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 508389 is about 713.0140251075. The cubic root of 508389 is about 79.8114832000.

The spelling of 508389 in words is "five hundred eight thousand, three hundred eighty-nine".