9994320 has 160 divisors (see below), whose sum is σ = 39402240. Its totient is φ = 2280960.

The previous prime is 9994289. The next prime is 9994321. The reversal of 9994320 is 234999.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9994321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14790 + ... + 15450.

It is an arithmetic number, because the mean of its divisors is an integer number (246264).

Almost surely, 2^9994320 is an apocalyptic number.

9994320 is a gapful number since it is divisible by the number (90) 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 9994320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19701120).

9994320 is an abundant number, since it is smaller than the sum of its proper divisors (29407920).

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

9994320 is a wasteful number, since it uses less digits than its factorization.

9994320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 9994320 is about 3161.3794457483. The cubic root of 9994320 is about 215.4026706476.

The spelling of 9994320 in words is "nine million, nine hundred ninety-four thousand, three hundred twenty".