9856920 has 32 divisors (see below), whose sum is σ = 29571120. Its totient is φ = 2628480.

The previous prime is 9856919. The next prime is 9856927. The reversal of 9856920 is 296589.

It is a happy number.

9856920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9856927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40951 + ... + 41190.

Almost surely, 2^9856920 is an apocalyptic number.

It is an amenable number.

9856920 is an abundant number, since it is smaller than the sum of its proper divisors (19714200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9856920 is a wasteful number, since it uses less digits than its factorization.

9856920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82155 (or 82151 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 9856920 is about 3139.5732194042. The cubic root of 9856920 is about 214.4110073617.

It can be divided in two parts, 98569 and 20, that added together give a palindrome (98589).

The spelling of 9856920 in words is "nine million, eight hundred fifty-six thousand, nine hundred twenty".