234866189 has 2 divisors, whose sum is σ = 234866190. Its totient is φ = 234866188.

The previous prime is 234866171. The next prime is 234866207. The reversal of 234866189 is 981668432.

It is a balanced prime because it is at equal distance from previous prime (234866171) and next prime (234866207).

It can be written as a sum of positive squares in only one way, i.e., 217710025 + 17156164 = 14755^2 + 4142^2 .

It is a cyclic number.

It is not a de Polignac number, because 234866189 - 2¹² = 234862093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234866089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117433094 + 117433095.

It is an arithmetic number, because the mean of its divisors is an integer number (117433095).

Almost surely, 2^234866189 is an apocalyptic number.

It is an amenable number.

234866189 is a deficient number, since it is larger than the sum of its proper divisors (1).

234866189 is an equidigital number, since it uses as much as digits as its factorization.

234866189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 47.

The square root of 234866189 is about 15325.3446617034. The cubic root of 234866189 is about 616.9834295989.

The spelling of 234866189 in words is "two hundred thirty-four million, eight hundred sixty-six thousand, one hundred eighty-nine".