509989848 has 32 divisors (see below), whose sum is σ = 1290340800. Its totient is φ = 167947808.

The previous prime is 509989841. The next prime is 509989859. The reversal of 509989848 is 848989905.

It is a junction number, because it is equal to n+sod(n) for n = 509989791 and 509989800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509989841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126018 + ... + 130001.

It is an arithmetic number, because the mean of its divisors is an integer number (40323150).

Almost surely, 2^509989848 is an apocalyptic number.

It is an amenable number.

509989848 is an abundant number, since it is smaller than the sum of its proper divisors (780350952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

509989848 is a wasteful number, since it uses less digits than its factorization.

509989848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256111 (or 256107 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 60.

The square root of 509989848 is about 22582.9548110959. The cubic root of 509989848 is about 798.9516726957.

The spelling of 509989848 in words is "five hundred nine million, nine hundred eighty-nine thousand, eight hundred forty-eight".