209098 has 4 divisors (see below), whose sum is σ = 313650. Its totient is φ = 104548.

The previous prime is 209089. The next prime is 209123. The reversal of 209098 is 890902.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 187489 + 21609 = 433^2 + 147^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52273 + ... + 52276.

2²⁰⁹⁰⁹⁸ is an apocalyptic number.

209098 is a deficient number, since it is larger than the sum of its proper divisors (104552).

209098 is a wasteful number, since it uses less digits than its factorization.

209098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104551.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 209098 is about 457.2723477316. The cubic root of 209098 is about 59.3539955251.

The spelling of 209098 in words is "two hundred nine thousand, ninety-eight".