396530903 has 2 divisors, whose sum is σ = 396530904. Its totient is φ = 396530902.

The previous prime is 396530881. The next prime is 396530929. The reversal of 396530903 is 309035693.

It is a weak prime.

It is an emirp because it is prime and its reverse (309035693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396530903 - 2⁸ = 396530647 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396530003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198265451 + 198265452.

It is an arithmetic number, because the mean of its divisors is an integer number (198265452).

Almost surely, 2^396530903 is an apocalyptic number.

396530903 is a deficient number, since it is larger than the sum of its proper divisors (1).

396530903 is an equidigital number, since it uses as much as digits as its factorization.

396530903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65610, while the sum is 38.

The square root of 396530903 is about 19913.0837139806. The cubic root of 396530903 is about 734.6700683424.

The spelling of 396530903 in words is "three hundred ninety-six million, five hundred thirty thousand, nine hundred three".