99886 has 4 divisors (see below), whose sum is σ = 149832. Its totient is φ = 49942.

The previous prime is 99881. The next prime is 99901. The reversal of 99886 is 68899.

It is a happy number.

99886 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24970 + ... + 24973.

It is an arithmetic number, because the mean of its divisors is an integer number (37458).

2⁹⁹⁸⁸⁶ is an apocalyptic number.

99886 is a deficient number, since it is larger than the sum of its proper divisors (49946).

99886 is a wasteful number, since it uses less digits than its factorization.

99886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49945.

The product of its digits is 31104, while the sum is 40.

The square root of 99886 is about 316.0474647897. The cubic root of 99886 is about 46.3982435919.

The spelling of 99886 in words is "ninety-nine thousand, eight hundred eighty-six".