98786 has 4 divisors (see below), whose sum is σ = 148182. Its totient is φ = 49392.

The previous prime is 98779. The next prime is 98801. The reversal of 98786 is 68789.

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., 70225 + 28561 = 265^2 + 169^2 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24695 + ... + 24698.

2⁹⁸⁷⁸⁶ is an apocalyptic number.

98786 is a deficient number, since it is larger than the sum of its proper divisors (49396).

98786 is a wasteful number, since it uses less digits than its factorization.

98786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49395.

The product of its digits is 24192, while the sum is 38.

The square root of 98786 is about 314.3024021544. The cubic root of 98786 is about 46.2272934559.

It can be divided in two parts, 98 and 786, that multiplied together give a triangular number (77028 = T₃₉₂).

The spelling of 98786 in words is "ninety-eight thousand, seven hundred eighty-six".