27098 has 8 divisors (see below), whose sum is σ = 43092.
Its totient is φ = 12736.
The previous prime is 27091. The next prime is 27103. The reversal of 27098 is 89072.
Subtracting from 27098 its sum of digits (26), we obtain a palindrome (27072).
It can be divided in two parts, 2 and 7098, that multiplied together give a triangular number (14196 = T168).
It can be written as a sum of positive squares in 2 ways, for example, as 26569 + 529 = 163^2 + 23^2
It is a sphenic number, since it is the product of 3 distinct primes.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (27091) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365 + ... + 432.
227098 is an apocalyptic number.
27098 is a deficient number, since it is larger than the sum of its proper divisors (15994).
27098 is a wasteful number, since it uses less digits than its factorization.
27098 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 816.
The product of its (nonzero) digits is 1008, while the sum is 26.
The square root of 27098 is about 164.6147016521.
The cubic root of 27098 is about 30.0362524706.
The spelling of 27098 in words is "twenty-seven thousand, ninety-eight".