530818938 has 48 divisors (see below), whose sum is σ = 1241885736. Its totient is φ = 162892800.

The previous prime is 530818919. The next prime is 530818963. The reversal of 530818938 is 839818035.

530818938 is a `hidden beast` number, since 530 + 8 + 1 + 89 + 38 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 418734369 + 112084569 = 20463^2 + 10587^2 .

It is a junction number, because it is equal to n+sod(n) for n = 530818893 and 530818902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91006 + ... + 96662.

Almost surely, 2^530818938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530818938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620942868).

530818938 is an abundant number, since it is smaller than the sum of its proper divisors (711066798).

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

530818938 is a wasteful number, since it uses less digits than its factorization.

530818938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6079 (or 6076 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 530818938 is about 23039.5081978761. The cubic root of 530818938 is about 809.6838363716.

The spelling of 530818938 in words is "five hundred thirty million, eight hundred eighteen thousand, nine hundred thirty-eight".