530408 has 8 divisors (see below), whose sum is σ = 994530. Its totient is φ = 265200.

The previous prime is 530401. The next prime is 530429. The reversal of 530408 is 804035.

It can be written as a sum of positive squares in only one way, i.e., 515524 + 14884 = 718^2 + 122^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 530408.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 530408.

It is not an unprimeable number, because it can be changed into a prime (530401) by changing a digit.

530408 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33143 + ... + 33158.

2⁵³⁰⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

530408 is a deficient number, since it is larger than the sum of its proper divisors (464122).

530408 is a wasteful number, since it uses less digits than its factorization.

530408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66307 (or 66303 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 530408 is about 728.2911505710. The cubic root of 530408 is about 80.9474841219.

The spelling of 530408 in words is "five hundred thirty thousand, four hundred eight".