85698 has 30 divisors (see below), whose sum is σ = 200739. Its totient is φ = 27324.

The previous prime is 85691. The next prime is 85703. The reversal of 85698 is 89658.

It can be written as a sum of positive squares in only one way, i.e., 42849 + 42849 = 207^2 + 207^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=207.

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

Its product of digits (17280) is a multiple of the sum of its prime factors (60).

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (85691) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 3715 + ... + 3737.

2⁸⁵⁶⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85698

85698 is an abundant number, since it is smaller than the sum of its proper divisors (115041).

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

85698 is a wasteful number, since it uses less digits than its factorization.

85698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 28 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 85698 is about 292.7422074112. The cubic root of 85698 is about 44.0883212168.

The spelling of 85698 in words is "eighty-five thousand, six hundred ninety-eight".