98857 has 12 divisors (see below), whose sum is σ = 117040. Its totient is φ = 83160.

The previous prime is 98849. The next prime is 98867. The reversal of 98857 is 75889.

It is not a de Polignac number, because 98857 - 2³ = 98849 is a prime.

Its product of digits (20160) is a multiple of the sum of its prime factors (84).

It is not an unprimeable number, because it can be changed into a prime (98807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2278 + ... + 2320.

2⁹⁸⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

98857 is a deficient number, since it is larger than the sum of its proper divisors (18183).

98857 is a wasteful number, since it uses less digits than its factorization.

98857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 73 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 98857 is about 314.4153304150. The cubic root of 98857 is about 46.2383657125.

The spelling of 98857 in words is "ninety-eight thousand, eight hundred fifty-seven".