34789189 has 2 divisors, whose sum is σ = 34789190. Its totient is φ = 34789188.

The previous prime is 34789169. The next prime is 34789199. The reversal of 34789189 is 98198743.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23600164 + 11189025 = 4858^2 + 3345^2 .

It is an emirp because it is prime and its reverse (98198743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34789189 - 2²⁵ = 1234757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34789169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17394594 + 17394595.

It is an arithmetic number, because the mean of its divisors is an integer number (17394595).

Almost surely, 2^34789189 is an apocalyptic number.

It is an amenable number.

34789189 is a deficient number, since it is larger than the sum of its proper divisors (1).

34789189 is an equidigital number, since it uses as much as digits as its factorization.

34789189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 49.

The square root of 34789189 is about 5898.2360922567. The cubic root of 34789189 is about 326.4485682655.

The spelling of 34789189 in words is "thirty-four million, seven hundred eighty-nine thousand, one hundred eighty-nine".