530947920 has 80 divisors (see below), whose sum is σ = 1654358400. Its totient is φ = 140861952.

The previous prime is 530947919. The next prime is 530947931. The reversal of 530947920 is 29749035.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 42202 + ... + 53318.

It is an arithmetic number, because the mean of its divisors is an integer number (20679480).

Almost surely, 2^530947920 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 530947920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827179200).

530947920 is an abundant number, since it is smaller than the sum of its proper divisors (1123410480).

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

530947920 is a wasteful number, since it uses less digits than its factorization.

530947920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11332 (or 11326 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 530947920 is about 23042.3071761488. The cubic root of 530947920 is about 809.7494118911.

The spelling of 530947920 in words is "five hundred thirty million, nine hundred forty-seven thousand, nine hundred twenty".