9989340 has 48 divisors (see below), whose sum is σ = 28939680. Its totient is φ = 2571520.

The previous prime is 9989327. The next prime is 9989341. The reversal of 9989340 is 439899.

9989340 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9989292 and 9989301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9989341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131 + ... + 4610.

It is an arithmetic number, because the mean of its divisors is an integer number (602910).

Almost surely, 2^9989340 is an apocalyptic number.

It is an amenable number.

9989340 is an abundant number, since it is smaller than the sum of its proper divisors (18950340).

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

9989340 is a wasteful number, since it uses less digits than its factorization.

9989340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782 (or 5780 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 9989340 is about 3160.5917167518. The cubic root of 9989340 is about 215.3668875388.

The spelling of 9989340 in words is "nine million, nine hundred eighty-nine thousand, three hundred forty".