98239 has 4 divisors (see below), whose sum is σ = 101440. Its totient is φ = 95040.

The previous prime is 98227. The next prime is 98251. The reversal of 98239 is 93289.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93289 = 7 ⋅13327.

It is an interprime number because it is at equal distance from previous prime (98227) and next prime (98251).

It is a cyclic number.

It is not a de Polignac number, because 98239 - 2⁵ = 98207 is a prime.

It is a super-2 number, since 2×98239² = 19301802242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 3169 = 98239 / (9 + 8 + 2 + 3 + 9).

It is a Duffinian number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 98239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98269) 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, 1554 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (25360).

2⁹⁸²³⁹ is an apocalyptic number.

98239 is a deficient number, since it is larger than the sum of its proper divisors (3201).

98239 is a wasteful number, since it uses less digits than its factorization.

98239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200.

The product of its digits is 3888, while the sum is 31.

The square root of 98239 is about 313.4310131432. The cubic root of 98239 is about 46.1418118909.

Subtracting from 98239 its reverse (93289), we obtain a triangular number (4950 = T₉₉).

The spelling of 98239 in words is "ninety-eight thousand, two hundred thirty-nine".