1028316693 has 12 divisors (see below), whose sum is σ = 1389111360. Its totient is φ = 676541736.

The previous prime is 1028316661. The next prime is 1028316697. The reversal of 1028316693 is 3966138201.

It is not a de Polignac number, because 1028316693 - 2⁵ = 1028316661 is a prime.

It is a super-2 number, since 2×1028316693² = 2114870442204912498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028316697) 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 11 ways as a sum of consecutive naturals, for example, 492630 + ... + 494712.

It is an arithmetic number, because the mean of its divisors is an integer number (115759280).

Almost surely, 2^1028316693 is an apocalyptic number.

It is an amenable number.

1028316693 is a deficient number, since it is larger than the sum of its proper divisors (360794667).

1028316693 is an frugal number, since it uses more digits than its factorization.

1028316693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248 (or 2165 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1028316693 is about 32067.3773951036. The cubic root of 1028316693 is about 1009.3511805195.

The spelling of 1028316693 in words is "one billion, twenty-eight million, three hundred sixteen thousand, six hundred ninety-three".