98185231 has 4 divisors (see below), whose sum is σ = 99157464. Its totient is φ = 97213000.

The previous prime is 98185193. The next prime is 98185237. The reversal of 98185231 is 13258189.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98185231 is a prime.

It is a super-2 number, since 2×98185231² = 19280679173046722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98185237) 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, 485965 + ... + 486166.

It is an arithmetic number, because the mean of its divisors is an integer number (24789366).

Almost surely, 2^98185231 is an apocalyptic number.

98185231 is a deficient number, since it is larger than the sum of its proper divisors (972233).

98185231 is a wasteful number, since it uses less digits than its factorization.

98185231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972232.

The product of its digits is 17280, while the sum is 37.

The square root of 98185231 is about 9908.8460983103. The cubic root of 98185231 is about 461.3339211242. Note that the first 3 decimals are identical.

The spelling of 98185231 in words is "ninety-eight million, one hundred eighty-five thousand, two hundred thirty-one".