9858849 has 64 divisors (see below), whose sum is σ = 18278400. Its totient is φ = 4656960.

The previous prime is 9858833. The next prime is 9858859. The reversal of 9858849 is 9488589.

9858849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9858849 - 2⁴ = 9858833 is a prime.

It is a Curzon number.

9858849 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9858809) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147114 + ... + 147180.

It is an arithmetic number, because the mean of its divisors is an integer number (285600).

Almost surely, 2^9858849 is an apocalyptic number.

It is an amenable number.

9858849 is a deficient number, since it is larger than the sum of its proper divisors (8419551).

9858849 is a wasteful number, since it uses less digits than its factorization.

9858849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 101 counting only the distinct ones).

The product of its digits is 829440, while the sum is 51.

The square root of 9858849 is about 3139.8804117355. The cubic root of 9858849 is about 214.4249931995.

It can be divided in two parts, 9 and 858849, that added together give a palindrome (858858).

The spelling of 9858849 in words is "nine million, eight hundred fifty-eight thousand, eight hundred forty-nine".