1047929984 has 64 divisors (see below), whose sum is σ = 2153311800. Its totient is φ = 507617280.

The previous prime is 1047929957. The next prime is 1047929989. The reversal of 1047929984 is 4899297401.

It can be written as a sum of positive squares in 4 ways, for example, as 1047169600 + 760384 = 32360^2 + 872^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1047929989) 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 7 ways as a sum of consecutive naturals, for example, 1936754 + ... + 1937294.

Almost surely, 2^1047929984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047929984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1076655900).

1047929984 is an abundant number, since it is smaller than the sum of its proper divisors (1105381816).

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

1047929984 is an equidigital number, since it uses as much as digits as its factorization.

1047929984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 1047929984 is about 32371.7466936834. The cubic root of 1047929984 is about 1015.7279946409.

The spelling of 1047929984 in words is "one billion, forty-seven million, nine hundred twenty-nine thousand, nine hundred eighty-four".