396517417 has 2 divisors, whose sum is σ = 396517418. Its totient is φ = 396517416.

The previous prime is 396517411. The next prime is 396517453. The reversal of 396517417 is 714715693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342583081 + 53934336 = 18509^2 + 7344^2 .

It is a cyclic number.

It is not a de Polignac number, because 396517417 - 2³ = 396517409 is a prime.

It is not a weakly prime, because it can be changed into another prime (396517411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198258708 + 198258709.

It is an arithmetic number, because the mean of its divisors is an integer number (198258709).

Almost surely, 2^396517417 is an apocalyptic number.

It is an amenable number.

396517417 is a deficient number, since it is larger than the sum of its proper divisors (1).

396517417 is an equidigital number, since it uses as much as digits as its factorization.

396517417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 396517417 is about 19912.7450895149. The cubic root of 396517417 is about 734.6617395482.

The spelling of 396517417 in words is "three hundred ninety-six million, five hundred seventeen thousand, four hundred seventeen".