530861688 has 144 divisors (see below), whose sum is σ = 1734740280. Its totient is φ = 151647552.

The previous prime is 530861677. The next prime is 530861707. The reversal of 530861688 is 886168035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 92470 + ... + 98042.

Almost surely, 2^530861688 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 530861688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867370140).

530861688 is an abundant number, since it is smaller than the sum of its proper divisors (1203878592).

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

530861688 is a wasteful number, since it uses less digits than its factorization.

530861688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608 (or 5585 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 530861688 is about 23040.4359333759. The cubic root of 530861688 is about 809.7055720033.

The spelling of 530861688 in words is "five hundred thirty million, eight hundred sixty-one thousand, six hundred eighty-eight".