1028318969 has 12 divisors (see below), whose sum is σ = 1108399104. Its totient is φ = 953453592.

The previous prime is 1028318923. The next prime is 1028318987. The reversal of 1028318969 is 9698138201.

It is not a de Polignac number, because 1028318969 - 2⁸ = 1028318713 is a prime.

It is a super-2 number, since 2×1028318969² = 2114879804010445922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1028318069) 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 11 ways as a sum of consecutive naturals, for example, 13337 + ... + 47270.

It is an arithmetic number, because the mean of its divisors is an integer number (92366592).

Almost surely, 2^1028318969 is an apocalyptic number.

1028318969 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1028318969 is a deficient number, since it is larger than the sum of its proper divisors (80080135).

1028318969 is an equidigital number, since it uses as much as digits as its factorization.

1028318969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60692 (or 60673 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 1028318969 is about 32067.4128828629. The cubic root of 1028318969 is about 1009.3519251934.

The spelling of 1028318969 in words is "one billion, twenty-eight million, three hundred eighteen thousand, nine hundred sixty-nine".