456390899 has 2 divisors, whose sum is σ = 456390900. Its totient is φ = 456390898.

The previous prime is 456390859. The next prime is 456390919. The reversal of 456390899 is 998093654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 456390899 - 2⁸ = 456390643 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 456390899.

It is not a weakly prime, because it can be changed into another prime (456390859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228195449 + 228195450.

It is an arithmetic number, because the mean of its divisors is an integer number (228195450).

Almost surely, 2^456390899 is an apocalyptic number.

456390899 is a deficient number, since it is larger than the sum of its proper divisors (1).

456390899 is an equidigital number, since it uses as much as digits as its factorization.

456390899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 456390899 is about 21363.3073048159. The cubic root of 456390899 is about 769.9201013403.

The spelling of 456390899 in words is "four hundred fifty-six million, three hundred ninety thousand, eight hundred ninety-nine".