85098 has 16 divisors (see below), whose sum is σ = 183456. Its totient is φ = 26160.

The previous prime is 85093. The next prime is 85103. The reversal of 85098 is 89058.

It is an interprime number because it is at equal distance from previous prime (85093) and next prime (85103).

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

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 85098.

It is not an unprimeable number, because it can be changed into a prime (85091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468 + ... + 623.

It is an arithmetic number, because the mean of its divisors is an integer number (11466).

2⁸⁵⁰⁹⁸ is an apocalyptic number.

85098 is an abundant number, since it is smaller than the sum of its proper divisors (98358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91728).

85098 is a wasteful number, since it uses less digits than its factorization.

85098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 85098 is about 291.7156149403. The cubic root of 85098 is about 43.9851878517.

Adding to 85098 its product of nonzero digits (2880), we get a palindrome (87978).

The spelling of 85098 in words is "eighty-five thousand, ninety-eight".