34034389 has 2 divisors, whose sum is σ = 34034390. Its totient is φ = 34034388.

The previous prime is 34034383. The next prime is 34034423. The reversal of 34034389 is 98343043.

It is an a-pointer prime, because the next prime (34034423) can be obtained adding 34034389 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20857489 + 13176900 = 4567^2 + 3630^2 .

It is a cyclic number.

It is not a de Polignac number, because 34034389 - 2³ = 34034381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34034381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17017194 + 17017195.

It is an arithmetic number, because the mean of its divisors is an integer number (17017195).

Almost surely, 2^34034389 is an apocalyptic number.

It is an amenable number.

34034389 is a deficient number, since it is larger than the sum of its proper divisors (1).

34034389 is an equidigital number, since it uses as much as digits as its factorization.

34034389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 34034389 is about 5833.8999820017. The cubic root of 34034389 is about 324.0703658834.

The spelling of 34034389 in words is "thirty-four million, thirty-four thousand, three hundred eighty-nine".