234309949 has 2 divisors, whose sum is σ = 234309950. Its totient is φ = 234309948.

The previous prime is 234309931. The next prime is 234309953. The reversal of 234309949 is 949903432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228463225 + 5846724 = 15115^2 + 2418^2 .

It is a cyclic number.

It is not a de Polignac number, because 234309949 - 2⁹ = 234309437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234306949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117154974 + 117154975.

It is an arithmetic number, because the mean of its divisors is an integer number (117154975).

Almost surely, 2^234309949 is an apocalyptic number.

It is an amenable number.

234309949 is a deficient number, since it is larger than the sum of its proper divisors (1).

234309949 is an equidigital number, since it uses as much as digits as its factorization.

234309949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 234309949 is about 15307.1861881928. The cubic root of 234309949 is about 616.4959716826.

The spelling of 234309949 in words is "two hundred thirty-four million, three hundred nine thousand, nine hundred forty-nine".