208430471 has 2 divisors, whose sum is σ = 208430472. Its totient is φ = 208430470.

The previous prime is 208430461. The next prime is 208430507. The reversal of 208430471 is 174034802.

208430471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 208430471 - 2⁶ = 208430407 is a prime.

It is a super-3 number, since 3×208430471³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208430441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104215235 + 104215236.

It is an arithmetic number, because the mean of its divisors is an integer number (104215236).

Almost surely, 2^208430471 is an apocalyptic number.

208430471 is a deficient number, since it is larger than the sum of its proper divisors (1).

208430471 is an equidigital number, since it uses as much as digits as its factorization.

208430471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 208430471 is about 14437.1212850762. The cubic root of 208430471 is about 592.9076719833.

The spelling of 208430471 in words is "two hundred eight million, four hundred thirty thousand, four hundred seventy-one".