34399999 has 2 divisors, whose sum is σ = 34400000.
Its totient is φ = 34399998.
The previous prime is 34399991. The next prime is 34400017. The reversal of 34399999 is 99999343.
It is a weak prime.
It is an emirp because it is prime and its reverse (99999343) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 34399999 - 23 = 34399991 is a prime.
34399999 is a modest number, since divided by 9999 gives 3439 as remainder.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (34399991) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17199999 + 17200000.
It is an arithmetic number, because the mean of its divisors is an integer number (17200000).
Almost surely, 234399999 is an apocalyptic number.
34399999 is a deficient number, since it is larger than the sum of its proper divisors (1).
34399999 is an equidigital number, since it uses as much as digits as its factorization.
34399999 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2125764, while the sum is 55.
The square root of 34399999 is about 5865.1512341968.
The cubic root of 34399999 is about 325.2266631844.
The spelling of 34399999 in words is "thirty-four million, three hundred ninety-nine thousand, nine hundred ninety-nine".