9098 has 4 divisors (see below), whose sum is σ = 13650. Its totient is φ = 4548.

The previous prime is 9091. The next prime is 9103. The reversal of 9098 is 8909.

It is a happy number.

9098 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8909 = 59 ⋅151.

It can be written as a sum of positive squares in only one way, i.e., 6889 + 2209 = 83^2 + 47^2 .

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 14 and base 16.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (9091) by changing a digit.

9098 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2273 + ... + 2276.

2⁹⁰⁹⁸ is an apocalyptic number.

9098 is a deficient number, since it is larger than the sum of its proper divisors (4552).

9098 is a wasteful number, since it uses less digits than its factorization.

9098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 9098 is about 95.3834367173. The cubic root of 9098 is about 20.8760651804.

The spelling of 9098 in words is "nine thousand, ninety-eight".