34288909 has 2 divisors, whose sum is σ = 34288910. Its totient is φ = 34288908.

The previous prime is 34288889. The next prime is 34288913. The reversal of 34288909 is 90988243.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30969225 + 3319684 = 5565^2 + 1822^2 .

It is a cyclic number.

It is not a de Polignac number, because 34288909 - 2²⁵ = 734477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34288109) 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, 17144454 + 17144455.

It is an arithmetic number, because the mean of its divisors is an integer number (17144455).

Almost surely, 2^34288909 is an apocalyptic number.

It is an amenable number.

34288909 is a deficient number, since it is larger than the sum of its proper divisors (1).

34288909 is an equidigital number, since it uses as much as digits as its factorization.

34288909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 34288909 is about 5855.6732320033. The cubic root of 34288909 is about 324.8761942635.

The spelling of 34288909 in words is "thirty-four million, two hundred eighty-eight thousand, nine hundred nine".