1984003992 has 48 divisors (see below), whose sum is σ = 5375391840. Its totient is φ = 661082688.

The previous prime is 1984003871. The next prime is 1984004021. The reversal of 1984003992 is 2993004891.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 369358 + ... + 374690.

It is an arithmetic number, because the mean of its divisors is an integer number (111987330).

Almost surely, 2^1984003992 is an apocalyptic number.

1984003992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1984003992 is an abundant number, since it is smaller than the sum of its proper divisors (3391387848).

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

1984003992 is a wasteful number, since it uses less digits than its factorization.

1984003992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10512 (or 10505 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 1984003992 is about 44542.1597141405. The cubic root of 1984003992 is about 1256.5531037242.

The spelling of 1984003992 in words is "one billion, nine hundred eighty-four million, three thousand, nine hundred ninety-two".