530904393 has 6 divisors (see below), whose sum is σ = 766861914. Its totient is φ = 353936256.

The previous prime is 530904383. The next prime is 530904427. The reversal of 530904393 is 393409035.

It is a happy number.

530904393 is a `hidden beast` number, since 530 + 90 + 4 + 39 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 520387344 + 10517049 = 22812^2 + 3243^2 .

It is not a de Polignac number, because 530904393 - 2⁶ = 530904329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (530904343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29494680 + ... + 29494697.

It is an arithmetic number, because the mean of its divisors is an integer number (127810319).

Almost surely, 2^530904393 is an apocalyptic number.

It is an amenable number.

530904393 is a deficient number, since it is larger than the sum of its proper divisors (235957521).

530904393 is a wasteful number, since it uses less digits than its factorization.

530904393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58989383 (or 58989380 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 36.

The square root of 530904393 is about 23041.3626550167. The cubic root of 530904393 is about 809.7272835903.

The spelling of 530904393 in words is "five hundred thirty million, nine hundred four thousand, three hundred ninety-three".