530428 has 6 divisors (see below), whose sum is σ = 928256. Its totient is φ = 265212.

The previous prime is 530401. The next prime is 530429. The reversal of 530428 is 824035.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 530399 and 530408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66300 + ... + 66307.

2⁵³⁰⁴²⁸ is an apocalyptic number.

It is an amenable number.

530428 is a deficient number, since it is larger than the sum of its proper divisors (397828).

530428 is a wasteful number, since it uses less digits than its factorization.

530428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132611 (or 132609 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 530428 is about 728.3048812139. The cubic root of 530428 is about 80.9485015332.

The spelling of 530428 in words is "five hundred thirty thousand, four hundred twenty-eight".