98866 has 4 divisors (see below), whose sum is σ = 148302. Its totient is φ = 49432.

The previous prime is 98849. The next prime is 98867. The reversal of 98866 is 66889.

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

It can be written as a sum of positive squares in only one way, i.e., 77841 + 21025 = 279^2 + 145^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (98867) by changing a digit.

98866 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24715 + ... + 24718.

2⁹⁸⁸⁶⁶ is an apocalyptic number.

98866 is a deficient number, since it is larger than the sum of its proper divisors (49436).

98866 is a wasteful number, since it uses less digits than its factorization.

98866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49435.

The product of its digits is 20736, while the sum is 37.

The square root of 98866 is about 314.4296423685. The cubic root of 98866 is about 46.2397688594.

The spelling of 98866 in words is "ninety-eight thousand, eight hundred sixty-six".