234746009 has 2 divisors, whose sum is σ = 234746010. Its totient is φ = 234746008.

The previous prime is 234746003. The next prime is 234746021. The reversal of 234746009 is 900647432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147379600 + 87366409 = 12140^2 + 9347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234746009 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 234746009.

It is not a weakly prime, because it can be changed into another prime (234746003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117373004 + 117373005.

It is an arithmetic number, because the mean of its divisors is an integer number (117373005).

Almost surely, 2^234746009 is an apocalyptic number.

It is an amenable number.

234746009 is a deficient number, since it is larger than the sum of its proper divisors (1).

234746009 is an equidigital number, since it uses as much as digits as its factorization.

234746009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 234746009 is about 15321.4232041283. The cubic root of 234746009 is about 616.8781757382.

The spelling of 234746009 in words is "two hundred thirty-four million, seven hundred forty-six thousand, nine".