98985641 has 4 divisors (see below), whose sum is σ = 99013332. Its totient is φ = 98957952.

The previous prime is 98985637. The next prime is 98985643. The reversal of 98985641 is 14658989.

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 94167616 + 4818025 = 9704^2 + 2195^2 .

It is a cyclic number.

It is not a de Polignac number, because 98985641 - 2² = 98985637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98985641.

It is not an unprimeable number, because it can be changed into a prime (98985643) 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, 7520 + ... + 15953.

It is an arithmetic number, because the mean of its divisors is an integer number (24753333).

Almost surely, 2^98985641 is an apocalyptic number.

It is an amenable number.

98985641 is a deficient number, since it is larger than the sum of its proper divisors (27691).

98985641 is a wasteful number, since it uses less digits than its factorization.

98985641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27690.

The product of its digits is 622080, while the sum is 50.

The square root of 98985641 is about 9949.1527780007. The cubic root of 98985641 is about 462.5841342923.

The spelling of 98985641 in words is "ninety-eight million, nine hundred eighty-five thousand, six hundred forty-one".