530206404 has 144 divisors (see below), whose sum is σ = 1621807488. Its totient is φ = 131609088.

The previous prime is 530206403. The next prime is 530206429. The reversal of 530206404 is 404602035.

It is a super-2 number, since 2×530206404² = 562237661685222432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530206403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31188604 + ... + 31188620.

It is an arithmetic number, because the mean of its divisors is an integer number (11262552).

Almost surely, 2^530206404 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 530206404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810903744).

530206404 is an abundant number, since it is smaller than the sum of its proper divisors (1091601084).

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

530206404 is an equidigital number, since it uses as much as digits as its factorization.

530206404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 530206404 is about 23026.2112384995. The cubic root of 530206404 is about 809.3722739064.

Adding to 530206404 its reverse (404602035), we get a palindrome (934808439).

The spelling of 530206404 in words is "five hundred thirty million, two hundred six thousand, four hundred four".