9840126 has 8 divisors (see below), whose sum is σ = 19680264. Its totient is φ = 3280040.

The previous prime is 9840121. The next prime is 9840133. The reversal of 9840126 is 6210489.

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

9840126 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9840093 and 9840102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9840121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820005 + ... + 820016.

It is an arithmetic number, because the mean of its divisors is an integer number (2460033).

Almost surely, 2^9840126 is an apocalyptic number.

9840126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9840126 is a wasteful number, since it uses less digits than its factorization.

9840126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640026.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 9840126 is about 3136.8975118738. The cubic root of 9840126 is about 214.2891685792.

The spelling of 9840126 in words is "nine million, eight hundred forty thousand, one hundred twenty-six".