208089898 has 8 divisors (see below), whose sum is σ = 313752708. Its totient is φ = 103505664.

The previous prime is 208089863. The next prime is 208089899. The reversal of 208089898 is 898980802.

208089898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 188046369 + 20043529 = 13713^2 + 4477^2 .

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

It is not an unprimeable number, because it can be changed into a prime (208089899) 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, 269161 + ... + 269932.

Almost surely, 2^208089898 is an apocalyptic number.

208089898 is a deficient number, since it is larger than the sum of its proper divisors (105662810).

208089898 is a wasteful number, since it uses less digits than its factorization.

208089898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539288.

The product of its (nonzero) digits is 663552, while the sum is 52.

The square root of 208089898 is about 14425.3214175629. The cubic root of 208089898 is about 592.5845611534.

The spelling of 208089898 in words is "two hundred eight million, eighty-nine thousand, eight hundred ninety-eight".