98439 has 16 divisors (see below), whose sum is σ = 151680. Its totient is φ = 56160.

The previous prime is 98429. The next prime is 98443. The reversal of 98439 is 93489.

It is not a de Polignac number, because 98439 - 2⁵ = 98407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a plaindrome in base 5.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 98439.

It is not an unprimeable number, because it can be changed into a prime (98419) 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, 549 + ... + 705.

It is an arithmetic number, because the mean of its divisors is an integer number (9480).

2⁹⁸⁴³⁹ is an apocalyptic number.

98439 is a deficient number, since it is larger than the sum of its proper divisors (53241).

98439 is a wasteful number, since it uses less digits than its factorization.

98439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190.

The product of its digits is 7776, while the sum is 33.

The square root of 98439 is about 313.7499003984. The cubic root of 98439 is about 46.1731032889.

Subtracting from 98439 its reverse (93489), we obtain a triangular number (4950 = T₉₉).

It can be divided in two parts, 9 and 8439, that added together give a palindrome (8448).

The spelling of 98439 in words is "ninety-eight thousand, four hundred thirty-nine".