9885705 has 8 divisors (see below), whose sum is σ = 15817152. Its totient is φ = 5272368.

The previous prime is 9885647. The next prime is 9885727. The reversal of 9885705 is 5075889.

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

It is not a de Polignac number, because 9885705 - 2¹⁰ = 9884681 is a prime.

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, 329509 + ... + 329538.

It is an arithmetic number, because the mean of its divisors is an integer number (1977144).

Almost surely, 2^9885705 is an apocalyptic number.

It is an amenable number.

9885705 is a deficient number, since it is larger than the sum of its proper divisors (5931447).

9885705 is a wasteful number, since it uses less digits than its factorization.

9885705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659055.

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 9885705 is about 3144.1540992769. The cubic root of 9885705 is about 214.6195181592.

The spelling of 9885705 in words is "nine million, eight hundred eighty-five thousand, seven hundred five".