98216191 has 4 divisors (see below), whose sum is σ = 103993632. Its totient is φ = 92438752.

The previous prime is 98216189. The next prime is 98216213. The reversal of 98216191 is 19161289.

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 98216191 - 2¹ = 98216189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98216191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98216101) 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, 2888695 + ... + 2888728.

It is an arithmetic number, because the mean of its divisors is an integer number (25998408).

Almost surely, 2^98216191 is an apocalyptic number.

98216191 is a deficient number, since it is larger than the sum of its proper divisors (5777441).

98216191 is a wasteful number, since it uses less digits than its factorization.

98216191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777440.

The product of its digits is 7776, while the sum is 37.

The square root of 98216191 is about 9910.4082156085. The cubic root of 98216191 is about 461.3824056640.

The spelling of 98216191 in words is "ninety-eight million, two hundred sixteen thousand, one hundred ninety-one".