9994392576 has 352 divisors, whose sum is σ = 34200948480. Its totient is φ = 2824077312.

The previous prime is 9994392553. The next prime is 9994392581. The reversal of 9994392576 is 6752934999.

9994392576 is a `hidden beast` number, since 99 + 94 + 392 + 5 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 31 ways as a sum of consecutive naturals, for example, 21869340 + ... + 21869796.

Almost surely, 2^9994392576 is an apocalyptic number.

9994392576 is a gapful number since it is divisible by the number (96) 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 9994392576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17100474240).

9994392576 is an abundant number, since it is smaller than the sum of its proper divisors (24206555904).

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

9994392576 is a wasteful number, since it uses less digits than its factorization.

9994392576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 582 counting only the distinct ones).

The product of its digits is 33067440, while the sum is 63.

The square root of 9994392576 is about 99971.9589484972. The cubic root of 9994392576 is about 2154.0319204463.

The spelling of 9994392576 in words is "nine billion, nine hundred ninety-four million, three hundred ninety-two thousand, five hundred seventy-six".