208880242 has 8 divisors (see below), whose sum is σ = 313473132. Its totient is φ = 104389200.

The previous prime is 208880219. The next prime is 208880249. The reversal of 208880242 is 242088802.

It can be written as a sum of positive squares in 2 ways, for example, as 208831401 + 48841 = 14451^2 + 221^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 208880198 and 208880207.

It is not an unprimeable number, because it can be changed into a prime (208880249) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20109 + ... + 28672.

Almost surely, 2^208880242 is an apocalyptic number.

208880242 is a deficient number, since it is larger than the sum of its proper divisors (104592890).

208880242 is a wasteful number, since it uses less digits than its factorization.

208880242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50924.

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 208880242 is about 14452.6897842582. The cubic root of 208880242 is about 593.3338430188. Note that the first 3 decimals are identical.

The spelling of 208880242 in words is "two hundred eight million, eight hundred eighty thousand, two hundred forty-two".