98738191 has 4 divisors (see below), whose sum is σ = 101034472. Its totient is φ = 96441912.

The previous prime is 98738161. The next prime is 98738207. The reversal of 98738191 is 19183789.

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 98738191 - 2⁷ = 98738063 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 (98738111) 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, 1148076 + ... + 1148161.

It is an arithmetic number, because the mean of its divisors is an integer number (25258618).

Almost surely, 2^98738191 is an apocalyptic number.

98738191 is a deficient number, since it is larger than the sum of its proper divisors (2296281).

98738191 is a wasteful number, since it uses less digits than its factorization.

98738191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296280.

The product of its digits is 108864, while the sum is 46.

The square root of 98738191 is about 9936.7092641377. The cubic root of 98738191 is about 462.1983478326.

The spelling of 98738191 in words is "ninety-eight million, seven hundred thirty-eight thousand, one hundred ninety-one".