434728859 has 2 divisors, whose sum is σ = 434728860. Its totient is φ = 434728858.

The previous prime is 434728831. The next prime is 434728867. The reversal of 434728859 is 958827434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434728859 - 2⁸ = 434728603 is a prime.

It is not a weakly prime, because it can be changed into another prime (434728559) 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, 217364429 + 217364430.

It is an arithmetic number, because the mean of its divisors is an integer number (217364430).

Almost surely, 2^434728859 is an apocalyptic number.

434728859 is a deficient number, since it is larger than the sum of its proper divisors (1).

434728859 is an equidigital number, since it uses as much as digits as its factorization.

434728859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 50.

The square root of 434728859 is about 20850.1524934471. The cubic root of 434728859 is about 757.5410247653.

The spelling of 434728859 in words is "four hundred thirty-four million, seven hundred twenty-eight thousand, eight hundred fifty-nine".