234445397 has 2 divisors, whose sum is σ = 234445398. Its totient is φ = 234445396.

The previous prime is 234445363. The next prime is 234445441. The reversal of 234445397 is 793544432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126472516 + 107972881 = 11246^2 + 10391^2 .

It is a cyclic number.

It is not a de Polignac number, because 234445397 - 2⁶ = 234445333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234445307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117222698 + 117222699.

It is an arithmetic number, because the mean of its divisors is an integer number (117222699).

Almost surely, 2^234445397 is an apocalyptic number.

It is an amenable number.

234445397 is a deficient number, since it is larger than the sum of its proper divisors (1).

234445397 is an equidigital number, since it uses as much as digits as its factorization.

234445397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 41.

The square root of 234445397 is about 15311.6098761691. The cubic root of 234445397 is about 616.6147418011.

The spelling of 234445397 in words is "two hundred thirty-four million, four hundred forty-five thousand, three hundred ninety-seven".