98669985 has 32 divisors (see below), whose sum is σ = 163755648. Its totient is φ = 50695680.

The previous prime is 98669981. The next prime is 98669999. The reversal of 98669985 is 58996689.

It is not a de Polignac number, because 98669985 - 2² = 98669981 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98669981) 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 31 ways as a sum of consecutive naturals, for example, 50079 + ... + 52011.

It is an arithmetic number, because the mean of its divisors is an integer number (5117364).

Almost surely, 2^98669985 is an apocalyptic number.

It is an amenable number.

98669985 is a deficient number, since it is larger than the sum of its proper divisors (65085663).

98669985 is a wasteful number, since it uses less digits than its factorization.

98669985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065.

The product of its digits is 8398080, while the sum is 60.

The square root of 98669985 is about 9933.2766497264. The cubic root of 98669985 is about 462.0918980999.

The spelling of 98669985 in words is "ninety-eight million, six hundred sixty-nine thousand, nine hundred eighty-five".