34217189 has 2 divisors, whose sum is σ = 34217190. Its totient is φ = 34217188.

The previous prime is 34217179. The next prime is 34217201. The reversal of 34217189 is 98171243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22486564 + 11730625 = 4742^2 + 3425^2 .

It is a cyclic number.

It is not a de Polignac number, because 34217189 - 2⁸ = 34216933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34217179) 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, 17108594 + 17108595.

It is an arithmetic number, because the mean of its divisors is an integer number (17108595).

Almost surely, 2^34217189 is an apocalyptic number.

It is an amenable number.

34217189 is a deficient number, since it is larger than the sum of its proper divisors (1).

34217189 is an equidigital number, since it uses as much as digits as its factorization.

34217189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 34217189 is about 5849.5460507633. The cubic root of 34217189 is about 324.6495283105.

The spelling of 34217189 in words is "thirty-four million, two hundred seventeen thousand, one hundred eighty-nine".