98190839 has 4 divisors (see below), whose sum is σ = 101576760. Its totient is φ = 94804920.

The previous prime is 98190817. The next prime is 98190847. The reversal of 98190839 is 93809189.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93809189 = 41 ⋅2288029.

It is a cyclic number.

It is not a de Polignac number, because 98190839 - 2²⁰ = 97142263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98190793 and 98190802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98190899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692917 + ... + 1692974.

It is an arithmetic number, because the mean of its divisors is an integer number (25394190).

Almost surely, 2^98190839 is an apocalyptic number.

98190839 is a deficient number, since it is larger than the sum of its proper divisors (3385921).

98190839 is a wasteful number, since it uses less digits than its factorization.

98190839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385920.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 98190839 is about 9909.1290737380. The cubic root of 98190839 is about 461.3427042217.

The spelling of 98190839 in words is "ninety-eight million, one hundred ninety thousand, eight hundred thirty-nine".