208242568 has 8 divisors (see below), whose sum is σ = 390454830. Its totient is φ = 104121280.

The previous prime is 208242563. The next prime is 208242569. The reversal of 208242568 is 865242802.

It can be written as a sum of positive squares in only one way, i.e., 140707044 + 67535524 = 11862^2 + 8218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (208242563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13015153 + ... + 13015168.

Almost surely, 2^208242568 is an apocalyptic number.

It is an amenable number.

208242568 is a deficient number, since it is larger than the sum of its proper divisors (182212262).

208242568 is a wasteful number, since it uses less digits than its factorization.

208242568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26030327 (or 26030323 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 208242568 is about 14430.6121838264. The cubic root of 208242568 is about 592.7294468810.

The spelling of 208242568 in words is "two hundred eight million, two hundred forty-two thousand, five hundred sixty-eight".