396681463 has 2 divisors, whose sum is σ = 396681464. Its totient is φ = 396681462.

The previous prime is 396681443. The next prime is 396681469. The reversal of 396681463 is 364186693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 396681463 - 2⁹ = 396680951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396681469) 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 as a sum of consecutive naturals, namely, 198340731 + 198340732.

It is an arithmetic number, because the mean of its divisors is an integer number (198340732).

Almost surely, 2^396681463 is an apocalyptic number.

396681463 is a deficient number, since it is larger than the sum of its proper divisors (1).

396681463 is an equidigital number, since it uses as much as digits as its factorization.

396681463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 46.

The square root of 396681463 is about 19916.8637842407. The cubic root of 396681463 is about 734.7630395990.

The spelling of 396681463 in words is "three hundred ninety-six million, six hundred eighty-one thousand, four hundred sixty-three".