34197817 has 2 divisors, whose sum is σ = 34197818. Its totient is φ = 34197816.

The previous prime is 34197809. The next prime is 34197827. The reversal of 34197817 is 71879143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25694761 + 8503056 = 5069^2 + 2916^2 .

It is a cyclic number.

It is not a de Polignac number, because 34197817 - 2³ = 34197809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34197817.

It is not a weakly prime, because it can be changed into another prime (34197827) 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, 17098908 + 17098909.

It is an arithmetic number, because the mean of its divisors is an integer number (17098909).

Almost surely, 2^34197817 is an apocalyptic number.

It is an amenable number.

34197817 is a deficient number, since it is larger than the sum of its proper divisors (1).

34197817 is an equidigital number, since it uses as much as digits as its factorization.

34197817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 40.

The square root of 34197817 is about 5847.8899613450. The cubic root of 34197817 is about 324.5882501628.

It can be divided in two parts, 3419 and 7817, that added together give a square (11236 = 106²).

The spelling of 34197817 in words is "thirty-four million, one hundred ninety-seven thousand, eight hundred seventeen".