604000393 has 2 divisors, whose sum is σ = 604000394. Its totient is φ = 604000392.

The previous prime is 604000381. The next prime is 604000417. The reversal of 604000393 is 393000406.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499388409 + 104611984 = 22347^2 + 10228^2 .

It is a cyclic number.

It is not a de Polignac number, because 604000393 - 2²⁵ = 570445961 is a prime.

It is not a weakly prime, because it can be changed into another prime (604000363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302000196 + 302000197.

It is an arithmetic number, because the mean of its divisors is an integer number (302000197).

Almost surely, 2^604000393 is an apocalyptic number.

It is an amenable number.

604000393 is a deficient number, since it is larger than the sum of its proper divisors (1).

604000393 is an equidigital number, since it uses as much as digits as its factorization.

604000393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 604000393 is about 24576.4194503593. The cubic root of 604000393 is about 845.3029937075.

Adding to 604000393 its reverse (393000406), we get a palindrome (997000799).

The spelling of 604000393 in words is "six hundred four million, three hundred ninety-three", and thus it is an aban number.