1328833782 has 16 divisors (see below), whose sum is σ = 2952964080. Its totient is φ = 442944576.

The previous prime is 1328833777. The next prime is 1328833801. The reversal of 1328833782 is 2873388231.

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 7 ways as a sum of consecutive naturals, for example, 12303963 + ... + 12304070.

It is an arithmetic number, because the mean of its divisors is an integer number (184560255).

Almost surely, 2^1328833782 is an apocalyptic number.

1328833782 is an abundant number, since it is smaller than the sum of its proper divisors (1624130298).

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

1328833782 is a wasteful number, since it uses less digits than its factorization.

1328833782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24608044 (or 24608038 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 1328833782 is about 36453.1724545340. The cubic root of 1328833782 is about 1099.4029216955.

The spelling of 1328833782 in words is "one billion, three hundred twenty-eight million, eight hundred thirty-three thousand, seven hundred eighty-two".