9894804794 has 16 divisors (see below), whose sum is σ = 17084558400. Its totient is φ = 4210121664.

The previous prime is 9894804779. The next prime is 9894804817. The reversal of 9894804794 is 4974084989.

It is a super-2 number, since 2×9894804794² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2540399 + ... + 2544290.

It is an arithmetic number, because the mean of its divisors is an integer number (1067784900).

Almost surely, 2^9894804794 is an apocalyptic number.

9894804794 is a deficient number, since it is larger than the sum of its proper divisors (7189753606).

9894804794 is a wasteful number, since it uses less digits than its factorization.

9894804794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084837.

The product of its (nonzero) digits is 20901888, while the sum is 62.

The square root of 9894804794 is about 99472.6333923054. The cubic root of 9894804794 is about 2146.8535040443.

The spelling of 9894804794 in words is "nine billion, eight hundred ninety-four million, eight hundred four thousand, seven hundred ninety-four".