530989720 has 48 divisors (see below), whose sum is σ = 1209695760. Its totient is φ = 209747904.

The previous prime is 530989709. The next prime is 530989721. The reversal of 530989720 is 27989035.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530989721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1478901 + ... + 1479259.

It is an arithmetic number, because the mean of its divisors is an integer number (25201995).

Almost surely, 2^530989720 is an apocalyptic number.

It is an amenable number.

530989720 is an abundant number, since it is smaller than the sum of its proper divisors (678706040).

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

530989720 is a wasteful number, since it uses less digits than its factorization.

530989720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 530989720 is about 23043.2141855254. The cubic root of 530989720 is about 809.7706610796.

The spelling of 530989720 in words is "five hundred thirty million, nine hundred eighty-nine thousand, seven hundred twenty".