34808909 has 2 divisors, whose sum is σ = 34808910. Its totient is φ = 34808908.

The previous prime is 34808833. The next prime is 34808923. The reversal of 34808909 is 90980843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19166884 + 15642025 = 4378^2 + 3955^2 .

It is an emirp because it is prime and its reverse (90980843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34808909 - 2¹² = 34804813 is a prime.

It is a super-3 number, since 3×34808909³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34808929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17404454 + 17404455.

It is an arithmetic number, because the mean of its divisors is an integer number (17404455).

Almost surely, 2^34808909 is an apocalyptic number.

It is an amenable number.

34808909 is a deficient number, since it is larger than the sum of its proper divisors (1).

34808909 is an equidigital number, since it uses as much as digits as its factorization.

34808909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 34808909 is about 5899.9075416484. The cubic root of 34808909 is about 326.5102382840.

The spelling of 34808909 in words is "thirty-four million, eight hundred eight thousand, nine hundred nine".