9984187394 has 8 divisors (see below), whose sum is σ = 14976811008. Its totient is φ = 4991917060.

The previous prime is 9984187387. The next prime is 9984187427. The reversal of 9984187394 is 4937814899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×9984187394² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2 + ... + 141309.

It is an arithmetic number, because the mean of its divisors is an integer number (1872101376).

Almost surely, 2^9984187394 is an apocalyptic number.

9984187394 is a deficient number, since it is larger than the sum of its proper divisors (4992623614).

9984187394 is a wasteful number, since it uses less digits than its factorization.

9984187394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176640.

The product of its digits is 15676416, while the sum is 62.

The square root of 9984187394 is about 99920.9056904510. The cubic root of 9984187394 is about 2153.2985167290.

The spelling of 9984187394 in words is "nine billion, nine hundred eighty-four million, one hundred eighty-seven thousand, three hundred ninety-four".