9854985 has 32 divisors (see below), whose sum is σ = 19084032. Its totient is φ = 4239360.

The previous prime is 9854981. The next prime is 9854989. The reversal of 9854985 is 5894589.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9854981) and next prime (9854989).

It is not a de Polignac number, because 9854985 - 2² = 9854981 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (9854981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 976 + ... + 4545.

It is an arithmetic number, because the mean of its divisors is an integer number (596376).

Almost surely, 2^9854985 is an apocalyptic number.

It is an amenable number.

9854985 is a deficient number, since it is larger than the sum of its proper divisors (9229047).

9854985 is a wasteful number, since it uses less digits than its factorization.

9854985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553.

The product of its digits is 518400, while the sum is 48.

The square root of 9854985 is about 3139.2650413751. The cubic root of 9854985 is about 214.3969761886.

The spelling of 9854985 in words is "nine million, eight hundred fifty-four thousand, nine hundred eighty-five".