26098 has 4 divisors (see below), whose sum is σ = 39150. Its totient is φ = 13048.

The previous prime is 26083. The next prime is 26099. The reversal of 26098 is 89062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89062 = 2 ⋅44531.

It can be written as a sum of positive squares in only one way, i.e., 21609 + 4489 = 147^2 + 67^2 .

It is a super-2 number, since 2×26098² = 1362211208, which contains 22 as substring.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (26099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6523 + ... + 6526.

2²⁶⁰⁹⁸ is an apocalyptic number.

26098 is a deficient number, since it is larger than the sum of its proper divisors (13052).

26098 is a wasteful number, since it uses less digits than its factorization.

26098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13051.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 26098 is about 161.5487542508. The cubic root of 26098 is about 29.6621351212.

Adding to 26098 its product of nonzero digits (864), we get a palindrome (26962).

The spelling of 26098 in words is "twenty-six thousand, ninety-eight".