1039389984 has 72 divisors (see below), whose sum is σ = 3111348240. Its totient is φ = 328226688.

The previous prime is 1039389973. The next prime is 1039389997. The reversal of 1039389984 is 4899839301.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 1039389984.

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, 89502 + ... + 100445.

It is an arithmetic number, because the mean of its divisors is an integer number (43213170).

Almost surely, 2^1039389984 is an apocalyptic number.

It is an amenable number.

1039389984 is an abundant number, since it is smaller than the sum of its proper divisors (2071958256).

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

1039389984 is a wasteful number, since it uses less digits than its factorization.

1039389984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189982 (or 189971 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 1039389984 is about 32239.5717093140. The cubic root of 1039389984 is about 1012.9612742289.

The spelling of 1039389984 in words is "one billion, thirty-nine million, three hundred eighty-nine thousand, nine hundred eighty-four".