396366863 has 2 divisors, whose sum is σ = 396366864. Its totient is φ = 396366862.

The previous prime is 396366833. The next prime is 396366871. The reversal of 396366863 is 368663693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 396366863 - 2⁶ = 396366799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396366833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198183431 + 198183432.

It is an arithmetic number, because the mean of its divisors is an integer number (198183432).

Almost surely, 2^396366863 is an apocalyptic number.

396366863 is a deficient number, since it is larger than the sum of its proper divisors (1).

396366863 is an equidigital number, since it uses as much as digits as its factorization.

396366863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 50.

The square root of 396366863 is about 19908.9643879334. The cubic root of 396366863 is about 734.5687463526.

The spelling of 396366863 in words is "three hundred ninety-six million, three hundred sixty-six thousand, eight hundred sixty-three".