9894940 has 48 divisors (see below), whose sum is σ = 23242464. Its totient is φ = 3507200.

The previous prime is 9894923. The next prime is 9894967. The reversal of 9894940 is 494989.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8472 + ... + 9568.

It is an arithmetic number, because the mean of its divisors is an integer number (484218).

Almost surely, 2^9894940 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 9894940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11621232).

9894940 is an abundant number, since it is smaller than the sum of its proper divisors (13347524).

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

9894940 is a wasteful number, since it uses less digits than its factorization.

9894940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 9894940 is about 3145.6223549562. The cubic root of 9894940 is about 214.6863282447.

It can be divided in two parts, 98949 and 40, that added together give a palindrome (98989).

The spelling of 9894940 in words is "nine million, eight hundred ninety-four thousand, nine hundred forty".