98659090 has 16 divisors (see below), whose sum is σ = 178232472. Its totient is φ = 39320064.

The previous prime is 98659051. The next prime is 98659097. The reversal of 98659090 is 9095689.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56655729 + 42003361 = 7527^2 + 6481^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 98659090.

It is not an unprimeable number, because it can be changed into a prime (98659097) 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 7 ways as a sum of consecutive naturals, for example, 15039 + ... + 20578.

Almost surely, 2^98659090 is an apocalyptic number.

98659090 is a deficient number, since it is larger than the sum of its proper divisors (79573382).

98659090 is a wasteful number, since it uses less digits than its factorization.

98659090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35901.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 98659090 is about 9932.7282254172. The cubic root of 98659090 is about 462.0748896295.

The spelling of 98659090 in words is "ninety-eight million, six hundred fifty-nine thousand, ninety".