1984099117 has 32 divisors (see below), whose sum is σ = 2779822080. Its totient is φ = 1365059520.

The previous prime is 1984099057. The next prime is 1984099123. The reversal of 1984099117 is 7119904891.

It is not a de Polignac number, because 1984099117 - 2¹¹ = 1984097069 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984099127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20067 + ... + 66112.

It is an arithmetic number, because the mean of its divisors is an integer number (86869440).

Almost surely, 2^1984099117 is an apocalyptic number.

It is an amenable number.

1984099117 is a deficient number, since it is larger than the sum of its proper divisors (795722963).

1984099117 is a wasteful number, since it uses less digits than its factorization.

1984099117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86233.

The product of its (nonzero) digits is 163296, while the sum is 49.

The square root of 1984099117 is about 44543.2275099145. The cubic root of 1984099117 is about 1256.5731856233.

The spelling of 1984099117 in words is "one billion, nine hundred eighty-four million, ninety-nine thousand, one hundred seventeen".