34684409 has 2 divisors, whose sum is σ = 34684410. Its totient is φ = 34684408.

The previous prime is 34684393. The next prime is 34684421. The reversal of 34684409 is 90448643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29463184 + 5221225 = 5428^2 + 2285^2 .

It is an emirp because it is prime and its reverse (90448643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34684409 - 2⁴ = 34684393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34684439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17342204 + 17342205.

It is an arithmetic number, because the mean of its divisors is an integer number (17342205).

Almost surely, 2^34684409 is an apocalyptic number.

It is an amenable number.

34684409 is a deficient number, since it is larger than the sum of its proper divisors (1).

34684409 is an equidigital number, since it uses as much as digits as its factorization.

34684409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 34684409 is about 5889.3470775630. The cubic root of 34684409 is about 326.1205000735.

The spelling of 34684409 in words is "thirty-four million, six hundred eighty-four thousand, four hundred nine".