10099985 has 8 divisors (see below), whose sum is σ = 13851456. Its totient is φ = 6925680.

The previous prime is 10099979. The next prime is 10099997. The reversal of 10099985 is 58999001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10099985 - 2⁸ = 10099729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144251 + ... + 144320.

It is an arithmetic number, because the mean of its divisors is an integer number (1731432).

Almost surely, 2^10099985 is an apocalyptic number.

It is an amenable number.

10099985 is a deficient number, since it is larger than the sum of its proper divisors (3751471).

10099985 is an equidigital number, since it uses as much as digits as its factorization.

10099985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288583.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 10099985 is about 3178.0473564754. The cubic root of 10099985 is about 216.1591262849.

The spelling of 10099985 in words is "ten million, ninety-nine thousand, nine hundred eighty-five".