98689843 has 4 divisors (see below), whose sum is σ = 112788400. Its totient is φ = 84591288.

The previous prime is 98689823. The next prime is 98689847. The reversal of 98689843 is 34898689.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34898689 = 7 ⋅4985527.

It is a cyclic number.

It is not a de Polignac number, because 98689843 - 2¹⁷ = 98558771 is a prime.

It is a super-2 number, since 2×98689843² = 19479370222729298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98689847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7049268 + ... + 7049281.

It is an arithmetic number, because the mean of its divisors is an integer number (28197100).

Almost surely, 2^98689843 is an apocalyptic number.

98689843 is a deficient number, since it is larger than the sum of its proper divisors (14098557).

98689843 is a wasteful number, since it uses less digits than its factorization.

98689843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14098556.

The product of its digits is 2985984, while the sum is 55.

The square root of 98689843 is about 9934.2761689013. The cubic root of 98689843 is about 462.1228957242.

The spelling of 98689843 in words is "ninety-eight million, six hundred eighty-nine thousand, eight hundred forty-three".