34399609 has 4 divisors (see below), whose sum is σ = 34913104. Its totient is φ = 33886116.

The previous prime is 34399591. The next prime is 34399621. The reversal of 34399609 is 90699343.

It is a happy number.

34399609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34399609 - 2⁵ = 34399577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34399649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256647 + ... + 256780.

It is an arithmetic number, because the mean of its divisors is an integer number (8728276).

Almost surely, 2^34399609 is an apocalyptic number.

It is an amenable number.

34399609 is a deficient number, since it is larger than the sum of its proper divisors (513495).

34399609 is an equidigital number, since it uses as much as digits as its factorization.

34399609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513494.

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 34399609 is about 5865.1179868780. The cubic root of 34399609 is about 325.2254341255.

The spelling of 34399609 in words is "thirty-four million, three hundred ninety-nine thousand, six hundred nine".