98541805 has 4 divisors (see below), whose sum is σ = 118250172. Its totient is φ = 78833440.

The previous prime is 98541803. The next prime is 98541829. The reversal of 98541805 is 50814589.

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 18224361 + 80317444 = 4269^2 + 8962^2 .

It is not a de Polignac number, because 98541805 - 2¹ = 98541803 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98541803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9854176 + ... + 9854185.

It is an arithmetic number, because the mean of its divisors is an integer number (29562543).

Almost surely, 2^98541805 is an apocalyptic number.

It is an amenable number.

98541805 is a deficient number, since it is larger than the sum of its proper divisors (19708367).

98541805 is a wasteful number, since it uses less digits than its factorization.

98541805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19708366.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 98541805 is about 9926.8225026944. The cubic root of 98541805 is about 461.8917135941.

The spelling of 98541805 in words is "ninety-eight million, five hundred forty-one thousand, eight hundred five".