98368813 has 4 divisors (see below), whose sum is σ = 98484988. Its totient is φ = 98252640.

The previous prime is 98368807. The next prime is 98368843. The reversal of 98368813 is 31886389.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31886389 = 19 ⋅1678231.

It can be written as a sum of positive squares in 2 ways, for example, as 55308969 + 43059844 = 7437^2 + 6562^2 .

It is a cyclic number.

It is not a de Polignac number, because 98368813 - 2¹³ = 98360621 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 (98368843) 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, 56808 + ... + 58513.

It is an arithmetic number, because the mean of its divisors is an integer number (24621247).

Almost surely, 2^98368813 is an apocalyptic number.

It is an amenable number.

98368813 is a deficient number, since it is larger than the sum of its proper divisors (116175).

98368813 is a wasteful number, since it uses less digits than its factorization.

98368813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116174.

The product of its digits is 248832, while the sum is 46.

The square root of 98368813 is about 9918.1053130122. The cubic root of 98368813 is about 461.6212687327.

It can be divided in two parts, 983 and 68813, that added together give a palindrome (69796).

The spelling of 98368813 in words is "ninety-eight million, three hundred sixty-eight thousand, eight hundred thirteen".