100000985 has 16 divisors (see below), whose sum is σ = 137337600. Its totient is φ = 68475456.

The previous prime is 100000969. The next prime is 100001029. The reversal of 100000985 is 589000001.

It is not a de Polignac number, because 100000985 - 2⁴ = 100000969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100000985.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30611 + ... + 33719.

It is an arithmetic number, because the mean of its divisors is an integer number (8583600).

Almost surely, 2^100000985 is an apocalyptic number.

It is an amenable number.

100000985 is a deficient number, since it is larger than the sum of its proper divisors (37336615).

100000985 is an equidigital number, since it uses as much as digits as its factorization.

100000985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 100000985 is about 10000.0492498787. The cubic root of 100000985 is about 464.1604073446.

Adding to 100000985 its reverse (589000001), we get a palindrome (689000986).

The spelling of 100000985 in words is "one hundred million, nine hundred eighty-five", and thus it is an aban number.