34689439 has 2 divisors, whose sum is σ = 34689440. Its totient is φ = 34689438.

The previous prime is 34689427. The next prime is 34689449. The reversal of 34689439 is 93498643.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34689439 - 2⁷ = 34689311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34689409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17344719 + 17344720.

It is an arithmetic number, because the mean of its divisors is an integer number (17344720).

Almost surely, 2^34689439 is an apocalyptic number.

34689439 is a deficient number, since it is larger than the sum of its proper divisors (1).

34689439 is an equidigital number, since it uses as much as digits as its factorization.

34689439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 46.

The square root of 34689439 is about 5889.7741043269. The cubic root of 34689439 is about 326.1362641864.

The spelling of 34689439 in words is "thirty-four million, six hundred eighty-nine thousand, four hundred thirty-nine".