1028318328 has 40 divisors (see below), whose sum is σ = 2880245280. Its totient is φ = 342772560.

The previous prime is 1028318327. The next prime is 1028318359. The reversal of 1028318328 is 8238138201.

1028318328 is a `hidden beast` number, since 10 + 2 + 8 + 318 + 328 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1028318292 and 1028318301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028318327) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 792808 + ... + 794103.

It is an arithmetic number, because the mean of its divisors is an integer number (72006132).

Almost surely, 2^1028318328 is an apocalyptic number.

1028318328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1028318328 is an abundant number, since it is smaller than the sum of its proper divisors (1851926952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028318328 is a wasteful number, since it uses less digits than its factorization.

1028318328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586929 (or 1586916 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1028318328 is about 32067.4028882914. The cubic root of 1028318328 is about 1009.3517154677.

The spelling of 1028318328 in words is "one billion, twenty-eight million, three hundred eighteen thousand, three hundred twenty-eight".