9849871 has 8 divisors (see below), whose sum is σ = 10093104. Its totient is φ = 9609600.

The previous prime is 9849863. The next prime is 9849877. The reversal of 9849871 is 1789489.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9849871 - 2³ = 9849863 is a prime.

It is a super-3 number, since 3×9849871³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9849877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6921 + ... + 8221.

It is an arithmetic number, because the mean of its divisors is an integer number (1261638).

Almost surely, 2^9849871 is an apocalyptic number.

9849871 is a deficient number, since it is larger than the sum of its proper divisors (243233).

9849871 is a wasteful number, since it uses less digits than its factorization.

9849871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481.

The product of its digits is 145152, while the sum is 46.

The square root of 9849871 is about 3138.4504138189. The cubic root of 9849871 is about 214.3598844411.

The spelling of 9849871 in words is "nine million, eight hundred forty-nine thousand, eight hundred seventy-one".