208284673 has 2 divisors, whose sum is σ = 208284674. Its totient is φ = 208284672.

The previous prime is 208284667. The next prime is 208284679. The reversal of 208284673 is 376482802.

It is a balanced prime because it is at equal distance from previous prime (208284667) and next prime (208284679).

It can be written as a sum of positive squares in only one way, i.e., 207014544 + 1270129 = 14388^2 + 1127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-208284673 is a prime.

It is not a weakly prime, because it can be changed into another prime (208284679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104142336 + 104142337.

It is an arithmetic number, because the mean of its divisors is an integer number (104142337).

Almost surely, 2^208284673 is an apocalyptic number.

It is an amenable number.

208284673 is a deficient number, since it is larger than the sum of its proper divisors (1).

208284673 is an equidigital number, since it uses as much as digits as its factorization.

208284673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 208284673 is about 14432.0709879075. The cubic root of 208284673 is about 592.7693925908.

The spelling of 208284673 in words is "two hundred eight million, two hundred eighty-four thousand, six hundred seventy-three".