98040839 has 4 divisors (see below), whose sum is σ = 105582456. Its totient is φ = 90499224.

The previous prime is 98040829. The next prime is 98040869. The reversal of 98040839 is 93804089.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98040839 - 2¹⁶ = 97975303 is a prime.

It is a super-2 number, since 2×98040839² = 19224012223647842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98040796 and 98040805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98040829) 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, 3770789 + ... + 3770814.

It is an arithmetic number, because the mean of its divisors is an integer number (26395614).

Almost surely, 2^98040839 is an apocalyptic number.

98040839 is a deficient number, since it is larger than the sum of its proper divisors (7541617).

98040839 is a wasteful number, since it uses less digits than its factorization.

98040839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7541616.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 98040839 is about 9901.5574027524. The cubic root of 98040839 is about 461.1076630356.

The spelling of 98040839 in words is "ninety-eight million, forty thousand, eight hundred thirty-nine".