344089189 has 2 divisors, whose sum is σ = 344089190. Its totient is φ = 344089188.

The previous prime is 344089169. The next prime is 344089237. The reversal of 344089189 is 981980443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200448964 + 143640225 = 14158^2 + 11985^2 .

It is a cyclic number.

It is not a de Polignac number, because 344089189 - 2⁵ = 344089157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344089169) 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, 172044594 + 172044595.

It is an arithmetic number, because the mean of its divisors is an integer number (172044595).

Almost surely, 2^344089189 is an apocalyptic number.

It is an amenable number.

344089189 is a deficient number, since it is larger than the sum of its proper divisors (1).

344089189 is an equidigital number, since it uses as much as digits as its factorization.

344089189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 344089189 is about 18549.6412094682. The cubic root of 344089189 is about 700.7401619939.

It can be divided in two parts, 3440 and 89189, that added together give a palindrome (92629).

The spelling of 344089189 in words is "three hundred forty-four million, eighty-nine thousand, one hundred eighty-nine".