208209098 has 8 divisors (see below), whose sum is σ = 330685092. Its totient is φ = 97980736.

The previous prime is 208209097. The next prime is 208209109. The reversal of 208209098 is 890902802.

It can be written as a sum of positive squares in 2 ways, for example, as 162741049 + 45468049 = 12757^2 + 6743^2 .

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 (208209097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3061865 + ... + 3061932.

Almost surely, 2^208209098 is an apocalyptic number.

208209098 is a deficient number, since it is larger than the sum of its proper divisors (122475994).

208209098 is a wasteful number, since it uses less digits than its factorization.

208209098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123816.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 208209098 is about 14429.4524497640. The cubic root of 208209098 is about 592.6976894971.

The spelling of 208209098 in words is "two hundred eight million, two hundred nine thousand, ninety-eight".