98132191 has 4 divisors (see below), whose sum is σ = 102398832. Its totient is φ = 93865552.

The previous prime is 98132189. The next prime is 98132233. The reversal of 98132191 is 19123189.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19123189 = 23 ⋅831443.

It is a cyclic number.

It is not a de Polignac number, because 98132191 - 2¹ = 98132189 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 (98132791) 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, 2133286 + ... + 2133331.

It is an arithmetic number, because the mean of its divisors is an integer number (25599708).

Almost surely, 2^98132191 is an apocalyptic number.

98132191 is a deficient number, since it is larger than the sum of its proper divisors (4266641).

98132191 is a wasteful number, since it uses less digits than its factorization.

98132191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266640.

The product of its digits is 3888, while the sum is 34.

The square root of 98132191 is about 9906.1693403656. The cubic root of 98132191 is about 461.2508347701.

The spelling of 98132191 in words is "ninety-eight million, one hundred thirty-two thousand, one hundred ninety-one".