208988470 has 8 divisors (see below), whose sum is σ = 376179264. Its totient is φ = 83595384.

The previous prime is 208988393. The next prime is 208988473. The reversal of 208988470 is 74889802.

208988470 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 208988470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208988473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10449414 + ... + 10449433.

It is an arithmetic number, because the mean of its divisors is an integer number (47022408).

Almost surely, 2^208988470 is an apocalyptic number.

208988470 is a deficient number, since it is larger than the sum of its proper divisors (167190794).

208988470 is a wasteful number, since it uses less digits than its factorization.

208988470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20898854.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 208988470 is about 14456.4335159126. The cubic root of 208988470 is about 593.4363008467.

The spelling of 208988470 in words is "two hundred eight million, nine hundred eighty-eight thousand, four hundred seventy".