9854929984 has 21 divisors (see below), whose sum is σ = 19557452757. Its totient is φ = 4927067904.

The previous prime is 9854929961. The next prime is 9854930011. The reversal of 9854929984 is 4899294589.

The square root of 9854929984 is 99272.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 266603584 + 9588326400 = 16328^2 + 97920^2 .

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 787972 + ... + 800380.

Almost surely, 2^9854929984 is an apocalyptic number.

9854929984 is the 99272-nd square number.

It is an amenable number.

9854929984 is a deficient number, since it is larger than the sum of its proper divisors (9702522773).

9854929984 is an frugal number, since it uses more digits than its factorization.

9854929984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24830 (or 12411 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 67.

The cubic root of 9854929984 is about 2143.9657722686.

The spelling of 9854929984 in words is "nine billion, eight hundred fifty-four million, nine hundred twenty-nine thousand, nine hundred eighty-four".