234940817 has 2 divisors, whose sum is σ = 234940818. Its totient is φ = 234940816.

The previous prime is 234940807. The next prime is 234940841. The reversal of 234940817 is 718049432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133656721 + 101284096 = 11561^2 + 10064^2 .

It is a cyclic number.

It is not a de Polignac number, because 234940817 - 2⁶ = 234940753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (234940807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117470408 + 117470409.

It is an arithmetic number, because the mean of its divisors is an integer number (117470409).

Almost surely, 2^234940817 is an apocalyptic number.

It is an amenable number.

234940817 is a deficient number, since it is larger than the sum of its proper divisors (1).

234940817 is an equidigital number, since it uses as much as digits as its factorization.

234940817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 234940817 is about 15327.7792585880. The cubic root of 234940817 is about 617.0487708664.

The spelling of 234940817 in words is "two hundred thirty-four million, nine hundred forty thousand, eight hundred seventeen".