9840229 has 12 divisors (see below), whose sum is σ = 12121164. Its totient is φ = 7937664.

The previous prime is 9840221. The next prime is 9840239. The reversal of 9840229 is 9220489.

It can be written as a sum of positive squares in 2 ways, for example, as 5832225 + 4008004 = 2415^2 + 2002^2 .

It is not a de Polignac number, because 9840229 - 2³ = 9840221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9840194 and 9840203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9840221) 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 11 ways as a sum of consecutive naturals, for example, 5074 + ... + 6739.

It is an arithmetic number, because the mean of its divisors is an integer number (1010097).

Almost surely, 2^9840229 is an apocalyptic number.

It is an amenable number.

9840229 is a deficient number, since it is larger than the sum of its proper divisors (2280935).

9840229 is a wasteful number, since it uses less digits than its factorization.

9840229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11844 (or 11837 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 9840229 is about 3136.9139293261. The cubic root of 9840229 is about 214.2899162562.

The spelling of 9840229 in words is "nine million, eight hundred forty thousand, two hundred twenty-nine".