208344427 has 2 divisors, whose sum is σ = 208344428. Its totient is φ = 208344426.

The previous prime is 208344421. The next prime is 208344509. The reversal of 208344427 is 724443802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 208344427 - 2¹⁹ = 207820139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 208344392 and 208344401.

It is not a weakly prime, because it can be changed into another prime (208344421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104172213 + 104172214.

It is an arithmetic number, because the mean of its divisors is an integer number (104172214).

Almost surely, 2^208344427 is an apocalyptic number.

208344427 is a deficient number, since it is larger than the sum of its proper divisors (1).

208344427 is an equidigital number, since it uses as much as digits as its factorization.

208344427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 208344427 is about 14434.1410205111. The cubic root of 208344427 is about 592.8260729586.

The spelling of 208344427 in words is "two hundred eight million, three hundred forty-four thousand, four hundred twenty-seven".