234989999 has 2 divisors, whose sum is σ = 234990000. Its totient is φ = 234989998.

The previous prime is 234989917. The next prime is 234990001. The reversal of 234989999 is 999989432.

234989999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234989999 - 2¹⁶ = 234924463 is a prime.

Together with 234990001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234989299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117494999 + 117495000.

It is an arithmetic number, because the mean of its divisors is an integer number (117495000).

Almost surely, 2^234989999 is an apocalyptic number.

234989999 is a deficient number, since it is larger than the sum of its proper divisors (1).

234989999 is an equidigital number, since it uses as much as digits as its factorization.

234989999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11337408, while the sum is 62.

The square root of 234989999 is about 15329.3835166324. The cubic root of 234989999 is about 617.0918250785.

The spelling of 234989999 in words is "two hundred thirty-four million, nine hundred eighty-nine thousand, nine hundred ninety-nine".