98993617 has 4 divisors (see below), whose sum is σ = 102407220. Its totient is φ = 95580016.

The previous prime is 98993599. The next prime is 98993651. The reversal of 98993617 is 71639989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71639989 = 17 ⋅4214117.

It can be written as a sum of positive squares in 2 ways, for example, as 42458256 + 56535361 = 6516^2 + 7519^2 .

It is a cyclic number.

It is not a de Polignac number, because 98993617 - 2¹¹ = 98991569 is a prime.

It is a super-3 number, since 3×98993617³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98993017) 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, 1706758 + ... + 1706815.

It is an arithmetic number, because the mean of its divisors is an integer number (25601805).

Almost surely, 2^98993617 is an apocalyptic number.

It is an amenable number.

98993617 is a deficient number, since it is larger than the sum of its proper divisors (3413603).

98993617 is a wasteful number, since it uses less digits than its factorization.

98993617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413602.

The product of its digits is 734832, while the sum is 52.

The square root of 98993617 is about 9949.5536080771. The cubic root of 98993617 is about 462.5965585588.

The spelling of 98993617 in words is "ninety-eight million, nine hundred ninety-three thousand, six hundred seventeen".