1028648833 has 8 divisors (see below), whose sum is σ = 1033525440. Its totient is φ = 1023783120.

The previous prime is 1028648813. The next prime is 1028648837. The reversal of 1028648833 is 3388468201.

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 1028648833 - 2⁹ = 1028648321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1028648833.

It is not an unprimeable number, because it can be changed into a prime (1028648837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232068 + ... + 236458.

It is an arithmetic number, because the mean of its divisors is an integer number (129190680).

Almost surely, 2^1028648833 is an apocalyptic number.

It is an amenable number.

1028648833 is a deficient number, since it is larger than the sum of its proper divisors (4876607).

1028648833 is an equidigital number, since it uses as much as digits as its factorization.

1028648833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 1028648833 is about 32072.5557603382. Note that the first 3 decimals coincide. The cubic root of 1028648833 is about 1009.4598402401.

The spelling of 1028648833 in words is "one billion, twenty-eight million, six hundred forty-eight thousand, eight hundred thirty-three".