34147409 has 4 divisors (see below), whose sum is σ = 34159104. Its totient is φ = 34135716.

The previous prime is 34147391. The next prime is 34147439. The reversal of 34147409 is 90474143.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34147409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34147439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2624 + ... + 8670.

It is an arithmetic number, because the mean of its divisors is an integer number (8539776).

Almost surely, 2^34147409 is an apocalyptic number.

It is an amenable number.

34147409 is a deficient number, since it is larger than the sum of its proper divisors (11695).

34147409 is an equidigital number, since it uses as much as digits as its factorization.

34147409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11694.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 34147409 is about 5843.5784413320. The cubic root of 34147409 is about 324.4286893903.

The spelling of 34147409 in words is "thirty-four million, one hundred forty-seven thousand, four hundred nine".