234945439 has 2 divisors, whose sum is σ = 234945440. Its totient is φ = 234945438.

The previous prime is 234945409. The next prime is 234945509. The reversal of 234945439 is 934549432.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234945439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234945395 and 234945404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234945409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117472719 + 117472720.

It is an arithmetic number, because the mean of its divisors is an integer number (117472720).

Almost surely, 2^234945439 is an apocalyptic number.

234945439 is a deficient number, since it is larger than the sum of its proper divisors (1).

234945439 is an equidigital number, since it uses as much as digits as its factorization.

234945439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 43.

The square root of 234945439 is about 15327.9300298507. The cubic root of 234945439 is about 617.0528172482.

The spelling of 234945439 in words is "two hundred thirty-four million, nine hundred forty-five thousand, four hundred thirty-nine".