8994891944 has 32 divisors (see below), whose sum is σ = 17043312000. Its totient is φ = 4450082112.

The previous prime is 8994891943. The next prime is 8994891953. The reversal of 8994891944 is 4491984998.

It is not an unprimeable number, because it can be changed into a prime (8994891943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173677 + ... + 1181315.

It is an arithmetic number, because the mean of its divisors is an integer number (532603500).

Almost surely, 2^8994891944 is an apocalyptic number.

It is an amenable number.

8994891944 is a deficient number, since it is larger than the sum of its proper divisors (8048420056).

8994891944 is a wasteful number, since it uses less digits than its factorization.

8994891944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9177 (or 9173 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 65.

The square root of 8994891944 is about 94841.4041650586. The cubic root of 8994891944 is about 2079.6902232209.

The spelling of 8994891944 in words is "eight billion, nine hundred ninety-four million, eight hundred ninety-one thousand, nine hundred forty-four".