34312189 has 2 divisors, whose sum is σ = 34312190. Its totient is φ = 34312188.

The previous prime is 34312181. The next prime is 34312231. The reversal of 34312189 is 98121343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20548089 + 13764100 = 4533^2 + 3710^2 .

It is a cyclic number.

It is not a de Polignac number, because 34312189 - 2³ = 34312181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34312189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34312181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17156094 + 17156095.

It is an arithmetic number, because the mean of its divisors is an integer number (17156095).

Almost surely, 2^34312189 is an apocalyptic number.

It is an amenable number.

34312189 is a deficient number, since it is larger than the sum of its proper divisors (1).

34312189 is an equidigital number, since it uses as much as digits as its factorization.

34312189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 34312189 is about 5857.6607105567. The cubic root of 34312189 is about 324.9497010916.

The spelling of 34312189 in words is "thirty-four million, three hundred twelve thousand, one hundred eighty-nine".