98679 has 16 divisors (see below), whose sum is σ = 155648. Its totient is φ = 54432.

The previous prime is 98669. The next prime is 98689. The reversal of 98679 is 97689.

It is an interprime number because it is at equal distance from previous prime (98669) and next prime (98689).

It is not a de Polignac number, because 98679 - 2⁴ = 98663 is a prime.

It is a Duffinian number.

98679 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714 + ... + 840.

It is an arithmetic number, because the mean of its divisors is an integer number (9728).

2⁹⁸⁶⁷⁹ is an apocalyptic number.

98679 is a deficient number, since it is larger than the sum of its proper divisors (56969).

98679 is a wasteful number, since it uses less digits than its factorization.

98679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174.

The product of its digits is 27216, while the sum is 39.

The square root of 98679 is about 314.1321378019. The cubic root of 98679 is about 46.2105970706.

Subtracting from 98679 its reverse (97689), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 98 and 679, that added together give a palindrome (777).

The spelling of 98679 in words is "ninety-eight thousand, six hundred seventy-nine".