34734389 has 2 divisors, whose sum is σ = 34734390. Its totient is φ = 34734388.

The previous prime is 34734377. The next prime is 34734463. The reversal of 34734389 is 98343743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32890225 + 1844164 = 5735^2 + 1358^2 .

It is a cyclic number.

It is not a de Polignac number, because 34734389 - 2¹⁶ = 34668853 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 (34734289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17367194 + 17367195.

It is an arithmetic number, because the mean of its divisors is an integer number (17367195).

Almost surely, 2^34734389 is an apocalyptic number.

It is an amenable number.

34734389 is a deficient number, since it is larger than the sum of its proper divisors (1).

34734389 is an equidigital number, since it uses as much as digits as its factorization.

34734389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 41.

The square root of 34734389 is about 5893.5888047946. The cubic root of 34734389 is about 326.2770707073.

The spelling of 34734389 in words is "thirty-four million, seven hundred thirty-four thousand, three hundred eighty-nine".