208868444 has 24 divisors (see below), whose sum is σ = 385279440. Its totient is φ = 98803584.

The previous prime is 208868417. The next prime is 208868459. The reversal of 208868444 is 444868802.

It is a happy number.

It is a super-2 number, since 2×208868444² = 87252053797962272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 208868395 and 208868404.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 75632 + ... + 78344.

It is an arithmetic number, because the mean of its divisors is an integer number (16053310).

Almost surely, 2^208868444 is an apocalyptic number.

It is an amenable number.

208868444 is a deficient number, since it is larger than the sum of its proper divisors (176410996).

208868444 is a wasteful number, since it uses less digits than its factorization.

208868444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749 (or 3747 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 44.

The square root of 208868444 is about 14452.2816191770. The cubic root of 208868444 is about 593.3226718897.

The spelling of 208868444 in words is "two hundred eight million, eight hundred sixty-eight thousand, four hundred forty-four".