9883640 has 64 divisors (see below), whose sum is σ = 24343200. Its totient is φ = 3589632.

The previous prime is 9883633. The next prime is 9883669. The reversal of 9883640 is 463889.

It is a junction number, because it is equal to n+sod(n) for n = 9883594 and 9883603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43046 + ... + 43274.

Almost surely, 2^9883640 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 9883640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12171600).

9883640 is an abundant number, since it is smaller than the sum of its proper divisors (14459560).

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

9883640 is a wasteful number, since it uses less digits than its factorization.

9883640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 9883640 is about 3143.8256949138. The cubic root of 9883640 is about 214.6045733419.

It can be divided in two parts, 98 and 83640, that added together give a palindrome (83738).

The spelling of 9883640 in words is "nine million, eight hundred eighty-three thousand, six hundred forty".