34989239 has 2 divisors, whose sum is σ = 34989240. Its totient is φ = 34989238.

The previous prime is 34989221. The next prime is 34989259. The reversal of 34989239 is 93298943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34989239 - 2⁸ = 34988983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34989193 and 34989202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34989259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17494619 + 17494620.

It is an arithmetic number, because the mean of its divisors is an integer number (17494620).

Almost surely, 2^34989239 is an apocalyptic number.

34989239 is a deficient number, since it is larger than the sum of its proper divisors (1).

34989239 is an equidigital number, since it uses as much as digits as its factorization.

34989239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 47.

The square root of 34989239 is about 5915.1702426896. The cubic root of 34989239 is about 327.0731038258.

The spelling of 34989239 in words is "thirty-four million, nine hundred eighty-nine thousand, two hundred thirty-nine".