1047569328 has 160 divisors (see below), whose sum is σ = 3271457280. Its totient is φ = 319023360.

The previous prime is 1047569317. The next prime is 1047569357. The reversal of 1047569328 is 8239657401.

1047569328 is a `hidden beast` number, since 10 + 47 + 569 + 32 + 8 = 666.

1047569328 is digitally balanced in base 2 and base 10, because in such bases it contains all the possibile digits an equal number of times.

1047569328 is strictly pandigital in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577543 + ... + 579353.

It is an arithmetic number, because the mean of its divisors is an integer number (20446608).

It is a 1-persistent number, because it is pandigital, but 2⋅1047569328 = 2095138656 is not.

Almost surely, 2^1047569328 is an apocalyptic number.

1047569328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047569328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1635728640).

1047569328 is an abundant number, since it is smaller than the sum of its proper divisors (2223887952).

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

1047569328 is a wasteful number, since it uses less digits than its factorization.

1047569328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944 (or 1932 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1047569328 is about 32366.1756777040. The cubic root of 1047569328 is about 1015.6114568204.

The spelling of 1047569328 in words is "one billion, forty-seven million, five hundred sixty-nine thousand, three hundred twenty-eight".