2098 has 4 divisors (see below), whose sum is σ = 3150.
Its totient is φ = 1048.
The previous prime is 2089. The next prime is 2099. The reversal of 2098 is 8902.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8902 = 2 ⋅4451.
It can be written as a sum of positive squares in only one way, i.e., 1369 + 729 = 37^2 + 27^2
It is a plaindrome in base 12.
It is a nialpdrome in base 13 and base 16.
It is not an unprimeable number, because it can be changed into a prime (2099) by changing a digit.
2098 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, 523 + ... + 526.
2098 is a deficient number, since it is larger than the sum of its proper divisors (1052).
2098 is a wasteful number, since it uses less digits than its factorization.
2098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1051.
The product of its (nonzero) digits is 144, while the sum is 19.
The square root of 2098 is about 45.8039299624.
The cubic root of 2098 is about 12.8017250279.
The spelling of 2098 in words is "two thousand, ninety-eight".