1984484388 has 12 divisors (see below), whose sum is σ = 4630463600. Its totient is φ = 661494792.

The previous prime is 1984484377. The next prime is 1984484389. The reversal of 1984484388 is 8834844891.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1984484389) by changing a digit.

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, 82686838 + ... + 82686861.

Almost surely, 2^1984484388 is an apocalyptic number.

It is an amenable number.

1984484388 is an abundant number, since it is smaller than the sum of its proper divisors (2645979212).

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

1984484388 is a wasteful number, since it uses less digits than its factorization.

1984484388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165373706 (or 165373704 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 57.

The square root of 1984484388 is about 44547.5519866131. The cubic root of 1984484388 is about 1256.6545138647.

The spelling of 1984484388 in words is "one billion, nine hundred eighty-four million, four hundred eighty-four thousand, three hundred eighty-eight".