428658299 has 2 divisors, whose sum is σ = 428658300. Its totient is φ = 428658298.

The previous prime is 428658289. The next prime is 428658301. The reversal of 428658299 is 992856824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428658299 - 2¹² = 428654203 is a prime.

Together with 428658301, it forms a pair of twin primes.

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 428658299.

It is not a weakly prime, because it can be changed into another prime (428658289) 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, 214329149 + 214329150.

It is an arithmetic number, because the mean of its divisors is an integer number (214329150).

Almost surely, 2^428658299 is an apocalyptic number.

428658299 is a deficient number, since it is larger than the sum of its proper divisors (1).

428658299 is an equidigital number, since it uses as much as digits as its factorization.

428658299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 53.

The square root of 428658299 is about 20704.0647941413. The cubic root of 428658299 is about 753.9983788167.

The spelling of 428658299 in words is "four hundred twenty-eight million, six hundred fifty-eight thousand, two hundred ninety-nine".