234235989 has 32 divisors (see below), whose sum is σ = 376476800. Its totient is φ = 143078400.

The previous prime is 234235957. The next prime is 234236003. The reversal of 234235989 is 989532432.

It is a happy number.

234235989 is a `hidden beast` number, since 2 + 34 + 23 + 598 + 9 = 666.

It is not a de Polignac number, because 234235989 - 2⁵ = 234235957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234235489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46389 + ... + 51189.

It is an arithmetic number, because the mean of its divisors is an integer number (11764900).

Almost surely, 2^234235989 is an apocalyptic number.

It is an amenable number.

234235989 is a deficient number, since it is larger than the sum of its proper divisors (142240811).

234235989 is a wasteful number, since it uses less digits than its factorization.

234235989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962 (or 4956 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 234235989 is about 15304.7701387509. The cubic root of 234235989 is about 616.4310991486.

The spelling of 234235989 in words is "two hundred thirty-four million, two hundred thirty-five thousand, nine hundred eighty-nine".