1028935817 has 16 divisors (see below), whose sum is σ = 1285291392. Its totient is φ = 801947520.

The previous prime is 1028935801. The next prime is 1028935819. The reversal of 1028935817 is 7185398201.

It is a cyclic number.

It is not a de Polignac number, because 1028935817 - 2⁴ = 1028935801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1028935819) 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 15 ways as a sum of consecutive naturals, for example, 78284 + ... + 90477.

It is an arithmetic number, because the mean of its divisors is an integer number (80330712).

Almost surely, 2^1028935817 is an apocalyptic number.

It is an amenable number.

1028935817 is a deficient number, since it is larger than the sum of its proper divisors (256355575).

1028935817 is a wasteful number, since it uses less digits than its factorization.

1028935817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168848.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 1028935817 is about 32077.0294291725. The cubic root of 1028935817 is about 1009.5537083243.

The spelling of 1028935817 in words is "one billion, twenty-eight million, nine hundred thirty-five thousand, eight hundred seventeen".