34218799 has 2 divisors, whose sum is σ = 34218800. Its totient is φ = 34218798.

The previous prime is 34218781. The next prime is 34218827. The reversal of 34218799 is 99781243.

It is a weak prime.

It is an emirp because it is prime and its reverse (99781243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34218799 - 2⁹ = 34218287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34218749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17109399 + 17109400.

It is an arithmetic number, because the mean of its divisors is an integer number (17109400).

Almost surely, 2^34218799 is an apocalyptic number.

34218799 is a deficient number, since it is larger than the sum of its proper divisors (1).

34218799 is an equidigital number, since it uses as much as digits as its factorization.

34218799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 34218799 is about 5849.6836666610. The cubic root of 34218799 is about 324.6546200744.

The spelling of 34218799 in words is "thirty-four million, two hundred eighteen thousand, seven hundred ninety-nine".