98311189 has 4 divisors (see below), whose sum is σ = 101701260. Its totient is φ = 94921120.

The previous prime is 98311163. The next prime is 98311193. The reversal of 98311189 is 98111389.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19847025 + 78464164 = 4455^2 + 8858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98311189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98311139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694992 + ... + 1695049.

It is an arithmetic number, because the mean of its divisors is an integer number (25425315).

Almost surely, 2^98311189 is an apocalyptic number.

It is an amenable number.

98311189 is a deficient number, since it is larger than the sum of its proper divisors (3390071).

98311189 is a wasteful number, since it uses less digits than its factorization.

98311189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390070.

The product of its digits is 15552, while the sum is 40.

The square root of 98311189 is about 9915.1998971276. The cubic root of 98311189 is about 461.5311125846.

The spelling of 98311189 in words is "ninety-eight million, three hundred eleven thousand, one hundred eighty-nine".