208261612 has 24 divisors (see below), whose sum is σ = 393555456. Its totient is φ = 95860608.

The previous prime is 208261609. The next prime is 208261631. The reversal of 208261612 is 216162802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14688 + ... + 25144.

It is an arithmetic number, because the mean of its divisors is an integer number (16398144).

Almost surely, 2^208261612 is an apocalyptic number.

It is an amenable number.

208261612 is a deficient number, since it is larger than the sum of its proper divisors (185293844).

208261612 is a wasteful number, since it uses less digits than its factorization.

208261612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10857 (or 10855 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 208261612 is about 14431.2720160075. The cubic root of 208261612 is about 592.7475149056.

The spelling of 208261612 in words is "two hundred eight million, two hundred sixty-one thousand, six hundred twelve".