34820189 has 2 divisors, whose sum is σ = 34820190. Its totient is φ = 34820188.

The previous prime is 34820171. The next prime is 34820209. The reversal of 34820189 is 98102843.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20884900 + 13935289 = 4570^2 + 3733^2 .

It is a cyclic number.

It is not a de Polignac number, because 34820189 - 2¹⁶ = 34754653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34820129) 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, 17410094 + 17410095.

It is an arithmetic number, because the mean of its divisors is an integer number (17410095).

Almost surely, 2^34820189 is an apocalyptic number.

It is an amenable number.

34820189 is a deficient number, since it is larger than the sum of its proper divisors (1).

34820189 is an equidigital number, since it uses as much as digits as its factorization.

34820189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 34820189 is about 5900.8634114001. The cubic root of 34820189 is about 326.5455035636.

The spelling of 34820189 in words is "thirty-four million, eight hundred twenty thousand, one hundred eighty-nine".