1328243767 has 8 divisors (see below), whose sum is σ = 1386823680. Its totient is φ = 1269733080.

The previous prime is 1328243753. The next prime is 1328243783. The reversal of 1328243767 is 7673428231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1328243767 - 2¹⁵ = 1328210999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328243737) by changing a digit.

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, 24042 + ... + 56872.

It is an arithmetic number, because the mean of its divisors is an integer number (173352960).

Almost surely, 2^1328243767 is an apocalyptic number.

1328243767 is a deficient number, since it is larger than the sum of its proper divisors (58579913).

1328243767 is a wasteful number, since it uses less digits than its factorization.

1328243767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34613.

The product of its digits is 338688, while the sum is 43.

The square root of 1328243767 is about 36445.0787761530. The cubic root of 1328243767 is about 1099.2401824445.

The spelling of 1328243767 in words is "one billion, three hundred twenty-eight million, two hundred forty-three thousand, seven hundred sixty-seven".