8949965584 has 40 divisors (see below), whose sum is σ = 19999622720. Its totient is φ = 3800504448.

The previous prime is 8949965581. The next prime is 8949965611. The reversal of 8949965584 is 4855699498.

It is a super-2 number, since 2×8949965584² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8949965581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354354 + ... + 378769.

It is an arithmetic number, because the mean of its divisors is an integer number (499990568).

Almost surely, 2^8949965584 is an apocalyptic number.

It is an amenable number.

8949965584 is an abundant number, since it is smaller than the sum of its proper divisors (11049657136).

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

8949965584 is a wasteful number, since it uses less digits than its factorization.

8949965584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733247 (or 733241 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 67.

The square root of 8949965584 is about 94604.2577477356. The cubic root of 8949965584 is about 2076.2219992447.

The spelling of 8949965584 in words is "eight billion, nine hundred forty-nine million, nine hundred sixty-five thousand, five hundred eighty-four".