34805917 has 2 divisors, whose sum is σ = 34805918. Its totient is φ = 34805916.

The previous prime is 34805909. The next prime is 34805933. The reversal of 34805917 is 71950843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24940036 + 9865881 = 4994^2 + 3141^2 .

It is a cyclic number.

It is not a de Polignac number, because 34805917 - 2³ = 34805909 is a prime.

It is a super-2 number, since 2×34805917² = 2422903716421778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34805317) 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, 17402958 + 17402959.

It is an arithmetic number, because the mean of its divisors is an integer number (17402959).

Almost surely, 2^34805917 is an apocalyptic number.

It is an amenable number.

34805917 is a deficient number, since it is larger than the sum of its proper divisors (1).

34805917 is an equidigital number, since it uses as much as digits as its factorization.

34805917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 34805917 is about 5899.6539729038. The cubic root of 34805917 is about 326.5008829527.

The spelling of 34805917 in words is "thirty-four million, eight hundred five thousand, nine hundred seventeen".