234908689 has 2 divisors, whose sum is σ = 234908690. Its totient is φ = 234908688.

The previous prime is 234908659. The next prime is 234908717. The reversal of 234908689 is 986809432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176890000 + 58018689 = 13300^2 + 7617^2 .

It is a cyclic number.

It is not a de Polignac number, because 234908689 - 2⁵ = 234908657 is a prime.

It is not a weakly prime, because it can be changed into another prime (234908629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117454344 + 117454345.

It is an arithmetic number, because the mean of its divisors is an integer number (117454345).

Almost surely, 2^234908689 is an apocalyptic number.

It is an amenable number.

234908689 is a deficient number, since it is larger than the sum of its proper divisors (1).

234908689 is an equidigital number, since it uses as much as digits as its factorization.

234908689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 234908689 is about 15326.7311909618. The cubic root of 234908689 is about 617.0206425816.

The spelling of 234908689 in words is "two hundred thirty-four million, nine hundred eight thousand, six hundred eighty-nine".