85898 has 8 divisors (see below), whose sum is σ = 133380. Its totient is φ = 41440.

The previous prime is 85889. The next prime is 85903. The reversal of 85898 is 89858.

It can be written as a sum of positive squares in 2 ways, for example, as 85849 + 49 = 293^2 + 7^2 .

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683 + ... + 798.

2⁸⁵⁸⁹⁸ is an apocalyptic number.

85898 is a deficient number, since it is larger than the sum of its proper divisors (47482).

85898 is a wasteful number, since it uses less digits than its factorization.

85898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512.

The product of its digits is 23040, while the sum is 38.

The square root of 85898 is about 293.0836058192. The cubic root of 85898 is about 44.1225920035.

The spelling of 85898 in words is "eighty-five thousand, eight hundred ninety-eight".