406965899 has 2 divisors, whose sum is σ = 406965900. Its totient is φ = 406965898.

The previous prime is 406965869. The next prime is 406965917. The reversal of 406965899 is 998569604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406965899 - 2¹² = 406961803 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (406965829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203482949 + 203482950.

It is an arithmetic number, because the mean of its divisors is an integer number (203482950).

Almost surely, 2^406965899 is an apocalyptic number.

406965899 is a deficient number, since it is larger than the sum of its proper divisors (1).

406965899 is an equidigital number, since it uses as much as digits as its factorization.

406965899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The square root of 406965899 is about 20173.3958222209. The cubic root of 406965899 is about 741.0588075420.

The spelling of 406965899 in words is "four hundred six million, nine hundred sixty-five thousand, eight hundred ninety-nine".