508869 has 16 divisors (see below), whose sum is σ = 771840. Its totient is φ = 331200.

The previous prime is 508867. The next prime is 508901. The reversal of 508869 is 968805.

It is not a de Polignac number, because 508869 - 2¹ = 508867 is a prime.

It is a super-2 number, since 2×508869² = 517895318322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508867) 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, 1069 + ... + 1469.

It is an arithmetic number, because the mean of its divisors is an integer number (48240).

2⁵⁰⁸⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

508869 is a deficient number, since it is larger than the sum of its proper divisors (262971).

508869 is a wasteful number, since it uses less digits than its factorization.

508869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 508869 is about 713.3505449637. The cubic root of 508869 is about 79.8365935397.

The spelling of 508869 in words is "five hundred eight thousand, eight hundred sixty-nine".