208988648 has 32 divisors (see below), whose sum is σ = 431645760. Its totient is φ = 94068480.

The previous prime is 208988629. The next prime is 208988653. The reversal of 208988648 is 846889802.

It is a self number, because there is not a number n which added to its sum of digits gives 208988648.

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, 2465 + ... + 20592.

It is an arithmetic number, because the mean of its divisors is an integer number (13488930).

Almost surely, 2^208988648 is an apocalyptic number.

It is an amenable number.

208988648 is an abundant number, since it is smaller than the sum of its proper divisors (222657112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208988648 is a wasteful number, since it uses less digits than its factorization.

208988648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23177 (or 23173 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 53.

The square root of 208988648 is about 14456.4396723398. The cubic root of 208988648 is about 593.4364693275.

The spelling of 208988648 in words is "two hundred eight million, nine hundred eighty-eight thousand, six hundred forty-eight".