98239613 has 4 divisors (see below), whose sum is σ = 98555808. Its totient is φ = 97923420.

The previous prime is 98239597. The next prime is 98239637. The reversal of 98239613 is 31693289.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31693289 = 461 ⋅68749.

It is a cyclic number.

It is not a de Polignac number, because 98239613 - 2⁴ = 98239597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98239663) 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, 157631 + ... + 158252.

It is an arithmetic number, because the mean of its divisors is an integer number (24638952).

Almost surely, 2^98239613 is an apocalyptic number.

It is an amenable number.

98239613 is a deficient number, since it is larger than the sum of its proper divisors (316195).

98239613 is a wasteful number, since it uses less digits than its factorization.

98239613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316194.

The product of its digits is 69984, while the sum is 41.

The square root of 98239613 is about 9911.5898321107. The cubic root of 98239613 is about 461.4190786391.

The spelling of 98239613 in words is "ninety-eight million, two hundred thirty-nine thousand, six hundred thirteen".