9994644 has 96 divisors (see below), whose sum is σ = 29030400. Its totient is φ = 2947680.

The previous prime is 9994631. The next prime is 9994669. The reversal of 9994644 is 4464999.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 9994644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55747 + ... + 55925.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^9994644 is an apocalyptic number.

9994644 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9994644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14515200).

9994644 is an abundant number, since it is smaller than the sum of its proper divisors (19035756).

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

9994644 is a wasteful number, since it uses less digits than its factorization.

9994644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 242 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 9994644 is about 3161.4306887863. The cubic root of 9994644 is about 215.4049982934.

The spelling of 9994644 in words is "nine million, nine hundred ninety-four thousand, six hundred forty-four".