9876144 has 40 divisors (see below), whose sum is σ = 25939312. Its totient is φ = 3237120.

The previous prime is 9876137. The next prime is 9876149. The reversal of 9876144 is 4416789.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9876149) 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, 1242 + ... + 4614.

Almost surely, 2^9876144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9876144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12969656).

9876144 is an abundant number, since it is smaller than the sum of its proper divisors (16063168).

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

9876144 is a wasteful number, since it uses less digits than its factorization.

9876144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445 (or 3439 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 9876144 is about 3142.6332907293. The cubic root of 9876144 is about 214.5503057933.

The spelling of 9876144 in words is "nine million, eight hundred seventy-six thousand, one hundred forty-four".