208931068 has 12 divisors (see below), whose sum is σ = 384873160. Its totient is φ = 98967312.

The previous prime is 208931053. The next prime is 208931069. The reversal of 208931068 is 860139802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208931069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1374471 + ... + 1374622.

Almost surely, 2^208931068 is an apocalyptic number.

It is an amenable number.

208931068 is a deficient number, since it is larger than the sum of its proper divisors (175942092).

208931068 is a wasteful number, since it uses less digits than its factorization.

208931068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749116 (or 2749114 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 208931068 is about 14454.4480351205. The cubic root of 208931068 is about 593.3819636388.

The spelling of 208931068 in words is "two hundred eight million, nine hundred thirty-one thousand, sixty-eight".