530736388 has 72 divisors (see below), whose sum is σ = 1169501760. Its totient is φ = 206294400.

The previous prime is 530736377. The next prime is 530736407. The reversal of 530736388 is 883637035.

It is a super-2 number, since 2×530736388² = 563362227094573088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278238 + ... + 280138.

It is an arithmetic number, because the mean of its divisors is an integer number (16243080).

Almost surely, 2^530736388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530736388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584750880).

530736388 is an abundant number, since it is smaller than the sum of its proper divisors (638765372).

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

530736388 is a wasteful number, since it uses less digits than its factorization.

530736388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 530736388 is about 23037.7166403270. The cubic root of 530736388 is about 809.6418616912.

The spelling of 530736388 in words is "five hundred thirty million, seven hundred thirty-six thousand, three hundred eighty-eight".