34790389 has 2 divisors, whose sum is σ = 34790390. Its totient is φ = 34790388.

The previous prime is 34790377. The next prime is 34790443. The reversal of 34790389 is 98309743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33756100 + 1034289 = 5810^2 + 1017^2 .

It is a cyclic number.

It is not a de Polignac number, because 34790389 - 2¹³ = 34782197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34790309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17395194 + 17395195.

It is an arithmetic number, because the mean of its divisors is an integer number (17395195).

Almost surely, 2^34790389 is an apocalyptic number.

It is an amenable number.

34790389 is a deficient number, since it is larger than the sum of its proper divisors (1).

34790389 is an equidigital number, since it uses as much as digits as its factorization.

34790389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 34790389 is about 5898.3378167073. The cubic root of 34790389 is about 326.4523216708.

The spelling of 34790389 in words is "thirty-four million, seven hundred ninety thousand, three hundred eighty-nine".